behind the screen 𓂃 ࣪⋆💿˚ ༘ song eunseok [r18+]
✮ pairing : riize's song eunseok x female!reader (yoo sumin)
✮ word count: 11.6k
✮ tags: nsfw, sexual themes, onlyfans/camgirl, college/university setting
✮ warnings: explicit words, explicit sexual content, cam/online sexual content, rough sex, edging
✮ synopsis: by day, he’s the untouchable song eunseok. by night, he’s Blackshadow, top subscriber to a mysterious onlyfans performer, girl no one would suspect. when their secret world collides with reality, teasing, obsession, and desire spiral out of control, and their chemistry ignites a dangerous, intoxicating relationship, one lived entirely behind the screen.
── ⟢ ・⸝⸝
Song Eunseok was the kind of boy people whispered about in the hallways.
Handsome, tall, always composed— he never needed to try. Girls slipped notes into his locker, boys admired him, professors liked him. He had the kind of presence that made heads turn, even when he wasn’t doing anything at all.
But the strangest part about Eunseok wasn’t his popularity. It was the way he ignored it.
Confessions? He rejected them, politely but firmly.
Blind dates? He always refused.
Rumors said he had impossibly high standards, that no one was “good enough.”
To Sumin— quiet Yoo Sumin, who always sat two rows behind him in Business Ethics, Eunseok was a mystery.
She sometimes caught herself watching him the way everyone else did, curious. He was too perfect, too calm, almost unreal.
And yet, she never approached him.
No one like her ever did.
That night..
The glow of a laptop screen lit Eunseok’s dorm room.
He sat on his bed, headphones snug over his ears, chest rising and falling faster than usual. His daytime calm was gone, replaced by raw hunger.
On-screen, a woman adjusted her camera.
Black silk stockings, lace lingerie, her face always just out of frame. The username glittered at the top corner:
BlackKittyx
She purred into the mic, her voice sweet and soft, lips painted red.
“This one’s for my favorite subscriber…” she said, a playful lilt in her tone.
Eunseok smirked.
That was him.
The perks of being her top. She always noticed him first.
When he tipped, she obeyed.
When he requested, she delivered.
Sometimes, she even whispered his private username back into the stream, like a secret only they shared.
Tonight, she leaned close to the camera, arching her back, hands trailing slowly down her stomach.
“What do you want me to do tonight?” she asked softly, voice dripping with heat.
Eunseok typed a message, fingers moving fast.
Wear the red set. The one I like. And… use your fingers. Slowly. Don’t rush.
She smiled immediately, as if she’d been waiting for the words.
“Mmm… you always know exactly what to ask for.”
As the stream went on, Eunseok let himself sink into it— the sight of her body, the sound of her soft moans through his headphones.
She never showed her face, but he didn’t need it. Her voice, her movements, the way she responded to him, it was enough to unravel him every time.
And no one, not a single soul at the university, knew about it.
The perfect, untouchable Song Eunseok was just another boy at night— jerking off to a faceless girl online.
A faceless girl who, little by little, he would realize… wasn’t faceless at all.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
Yoo Sumin liked to stay invisible.
She always sat near the window in lectures, notebook open, pen in hand, never raising her voice unless a professor called on her directly.
She had a small circle of friends— two girls she ate lunch with, sometimes studied with, and beyond that, she rarely spoke to anyone.
Quiet suited her.
Safe suited her.
Which was why no one suspected her of leading a double life.
When the sun set, when she returned to her cramped apartment off-campus, the timid Yoo Sumin faded away.
The soft-spoken girl became BlackKittyx. Lips painted crimson, lace wrapped around her body, purring into a microphone as faceless men tipped and begged.
And one man in particular, her top subscriber— made her ache in ways she never admitted.
The way he always knew what to ask for, how his requests made her body heat up. He wasn’t like the others. He didn’t beg. He commanded. And she obeyed.
Sometimes, after ending a stream, her chest tight with adrenaline, she wondered who he was.
What if he was someone she walked past every day?
What if he sat across from her in class?
But that thought was too dangerous, so she pushed it away.
The next morning, Business Ethics.
Sumin sat in her usual spot by the window, flipping through her notes. The professor’s voice droned on about corporate governance. Students tapped at laptops, whispered in pairs, drifted off.
Song Eunseok sat near the center, as always.
Calm. Perfect.
People whispered about him, but he seemed untouched by it.
When the professor announced a short group exercise, Sumin tensed. She hated group work. Sure enough.
“Sumin, Eunseok, and Yura, you three can work together.”
Her stomach dropped. Of all people…
They pushed their desks closer. Yura, a bubbly classmate, immediately started chatting.
“Okay, let’s divide this up! Eunseok, you take the first part? Sumin, you take notes?”
Sumin nodded silently, eyes down.
But Eunseok’s gaze lingered on her a moment longer than usual.
There was something about the way she held her pen, the neatness of her handwriting, even the low, soft way she finally spoke when answering Yura's question.
It tugged at something in the back of his mind.
Her voice… where have I heard it like that before?
Their eyes met briefly— hers wide, startled, almost like a deer caught in headlights.
He smiled faintly, polite, then looked back to the paper. But inside, a thought began to coil.
Later, when the group wrapped up and Yura rushed off, Eunseok lingered as Sumin packed her bag.
“You always sit by the window,” he said casually. His voice was low, smooth.
Sumin blinked at him, surprised he was even speaking to her. “...I like the light,” she said softly.
He smirked slightly, leaning back in his chair. “Makes sense.”
That was all.
Just a tiny exchange. But when she walked away, Eunseok’s eyes followed her.
Because the way she said it— the tone, the softness, it brushed against a memory from the night before.
From her.
From BlackKittyx.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
Eunseok sat back in his chair, the glow of his laptop painting his sharp features in pale blue.
Another stream, another night of temptation.
But tonight, he didn’t want to share her. Not with the swarm of desperate men typing in the chat, flooding her with empty praise.
He wanted her to himself.
So he dropped a tip. Not just any tip— enough to make her stop mid-sentence.
Her eyes flicked to the screen. “Oh?” Her lips curved slowly, knowingly.
“Well, it looks like my favorite— ” she glanced at his username, voice dripping— “Blackshadow… wants some private time.”
The request went through.
Private 1:1 call accepted.
Eunseok adjusted his laptop, settling deeper into his chair.
He didn’t normally turn on his camera for these, but tonight.. tonight he wanted more. He wanted her to see him too.
The screen split.
On one side, his body from the shoulders down— face hidden in shadow, sweatpants already tugged low, cock hard and heavy in his hand.
On the other, BlackKittyx perched on her chair, lingerie slipping down her skin, her camera angled to frame every curve while keeping her face obscured.
She smiled, teasing. “Well, well… so mysterious tonight, Blackshadow. Finally letting me see you stroke it for me?”
His lips curled, his voice low but altered through the filter. “You wanted me. Now you’ve got me.”
Her thighs pressed together at the sound. “Mmm… then let’s not waste time.”
Her hand slid down, fingers grazing the wet lace between her legs.
He tightened his grip on himself, stroking slow, watching every movement she made.
“Spread your legs wider,” he ordered.
She obeyed, panties tugged aside, two fingers slipping inside with a wet sound that made his cock twitch violently.
Her moan was soft, breathless, and she tilted her head back, exposing the curve of her throat— just enough to catch the shadow of a mole near her collarbone.
Eunseok’s brow furrowed faintly.
That mark…
He’d seen it before. In class? Somewhere in passing?
But then she moaned again, pulling his focus back.
Her fingers moved faster, her hips jerking against her own touch. His breathing grew rough, strokes syncing with her rhythm.
“Look at me,” he growled. “Don’t look away.”
She forced her gaze back to the camera, lips parted, eyes glassy with pleasure. “Fuck… you’re so—ahh—hot…”
Her voice cracked, that same quiet softness he’d heard in lectures, in murmured class discussions.
Familiar, but blurred by lust.
The wet sounds grew louder, her moans higher, her body trembling as she broke apart.
And then, in a breathless cry, she gasped. “Eunseok—!”
His hand froze mid-stroke.
The name hit him like a spark to dry tinder, sending a jolt straight through his chest.
His name. Not Blackshadow. Not some slip to another fan. His.
She didn’t even realize it. Too lost in the shuddering waves of her orgasm, thighs clenching as she came hard in front of him, moans raw and helpless.
He tightened his jaw, stroking once more before pulling his hand away, denying himself release.
Not yet.
Because what burned hotter than lust now was curiosity.
That mole. That voice.
That slip of his name on her lips.
Piece by piece, the puzzle was coming together.
And Eunseok was patient.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
The lecture hall buzzed with the usual hum of voices, papers shuffling, chairs dragging against the floor. Eunseok sat where he always did— middle row, relaxed posture, pen twirling loosely between his fingers.
But his focus wasn’t on the professor.
It was on her.
Yoo Sumin.
Quiet. Almost invisible.
She sat two rows ahead, head bowed, dark hair falling over her cheek as she scribbled neat notes.
His eyes lingered on her collarbone— delicate, pale, with a faint mark just above the bone. That mole. His chest tightened.
The same one.
He leaned back, lips curling faintly.
Coincidence? Maybe.
But the way her voice trembled when she answered a question earlier, it sent an echo straight back to the call.
That soft tone, hesitant but careful, the same one that had moaned his name until she unraveled.
He tapped his pen against the desk, smirk hidden.
Piece by piece.
She didn’t notice him watching. Not yet.
But she would.
Her hand shook as she zipped her bag after class. She’d barely absorbed a single word from the lecture, every sentence dissolving into static in her head.
Last night replayed over and over.
The private call. His voice— low, commanding, rough through the modulator. The way she’d fallen apart under his orders, body trembling as she came harder than she ever had before.
And then… her slip.
Her chest tightened. She’d moaned Eunseok’s name.
Why him? Why that name? Out of all the people she could’ve thought of.
Her face burned. She didn’t even know him beyond polite greetings and the occasional group assignment.
He was popular, untouchable, surrounded by people constantly. And yet her body had betrayed her, blurting his name into the dark, to a stranger on the other side of the screen.
She gripped her pen too tightly, knuckles white.
Had he noticed? Whoever Blackshadow was— did he even register the name? Maybe he thought it was coincidence. Maybe he hadn’t cared.
But her stomach twisted with unease.
Because she remembered the silence right after. The weight of it. The feeling that he had heard, and that he had cared.
She exhaled shakily, forcing herself to leave the classroom, keeping her head down.
Across the room, Eunseok’s gaze followed her until she slipped out the door.
And when she disappeared into the hallway, his smirk deepened.
The next class, the professor droned on about market segmentation, but Eunseok’s focus wasn’t on the slides. It was on the girl seated one row over.
Sumin.
Her notes were meticulous, her pen gliding steadily across the page. But her posture— too stiff, shoulders tense, betrayed her.
Still thinking about last night, aren’t you?
The thought amused him. He leaned back, stretching casually, letting his gaze linger just long enough for her to feel it.
Sure enough, she shifted in her seat, hair falling like a curtain to shield her face.
When the professor assigned a quick group discussion, fate or maybe luck— paired them. Eunseok moved his chair closer, his tall frame crowding her just enough to make her flinch.
“So,” he said smoothly, eyes flicking over her notes. “You always write everything so neatly.” His voice dropped slightly, deliberate.
“Precise. Like someone who follows instructions well.”
Her pen froze mid-word. She glanced up, startled, then forced a polite smile. “I… I just like things organized.”
“Mm.” His smirk was subtle, almost imperceptible. “I bet you do.”
Her throat bobbed as she swallowed, gaze darting anywhere but at him.
Her heart pounded so loudly she was sure he could hear it.
Eunseok’s presence was overwhelming this close— broad shoulders brushing the edge of her space, his cologne faint but dizzying. He always drew attention without trying, but today his focus was entirely on her.
And his words— follows instructions well.. echoed like a blade sliding against her skin.
It was coincidence. It had to be. He didn’t know. He couldn’t know.
She forced herself to answer, voice shaky. “Um… what do you think about the question?”
Eunseok leaned in, his lips quirking like he was in on a private joke. “I think some people perform best when they’re given… direct orders.” His tone was low, teasing, threaded with double meaning.
Her stomach flipped violently.
She couldn’t breathe, couldn’t think, couldn’t stop herself from remembering last night— the voice in her headphones, distorted but commanding, making her obey without hesitation.
And the name she’d moaned, the one sitting right in front of her now, watching her with eyes that seemed to see too much.
She dropped her gaze to her notes, pen trembling in her grip. “R-right… I guess so.”
Eunseok smirked, leaning back as if satisfied.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
Her room was dim except for the soft glow of her ring light. The laptop camera framed only her body from the shoulders down—just as always. The anonymity of it was supposed to feel safe, comforting.
But tonight, her hands trembled when she adjusted her black lace bra.
She shouldn’t be this nervous. She’d done this countless times. Streaming was routine— muscle memory. But every time her mind drifted back to the classroom, her body jolted with heat.
“Some people perform best when they’re given… direct orders.”
His voice. His eyes. The weight of his presence leaning in too close.
She swallowed hard and forced a smile into her voice as the chat filled with notifications. And then she saw it.
BlackShadow has tipped $500.
Request: Private 1:1 call.
Her breath caught. He always tipped big, but tonight.. the timing was merciless.
Heart hammering, she accepted.
The private window opened. Both cameras flickered on.
She adjusted hers quickly, keeping her face out of frame, showing only the curve of her chest, the lace of her panties as she slid onto the bed.
“Good evening..” she purred softly, though her throat was tight.
The distorted voice filled her headphones.
Smooth. Commanding. Unmistakable in its confidence.
“Good girl. You’re already wet, aren’t you?”
Her thighs pressed together involuntarily. God, why did it sound so much like him?
She tried to focus, tried to breathe. “Y-you always get straight to it…”
He chuckled, low and dark. “Because you like it that way.”
Her fingers slipped under the waistband of her panties, brushing the dampness there. She let out a shaky breath.
He started directing her, as always— precise, deliberate commands that made her obey without thought. Her body moved on autopilot, arching, spreading, showing more.
But tonight, the more she touched herself, the more her mind betrayed her. Images of the classroom bled into the fantasy. His smirk. His scent. His broad shoulders leaning too close.
And when his voice in her headphones growled, “Say my name,” her walls crumbled.
She moaned it before she could stop herself.
“E-Eunseok…”
Silence.
Her heart froze. Her own gasp filled the air, louder than the obscene wet sounds of her fingers.
Did she just..
The distorted voice chuckled again, but slower this time. Almost amused.
“…Interesting.”
Heat flooded her face, panic and arousal warring violently in her chest. She stammered, “N-no, I—I didn’t—”
But his voice cut in, smooth and teasing, as though savoring her slip. “Relax, kitten. I won’t hold it against you.”
The way he said it sent shivers racing down her spine.
Her body betrayed her shame— hips rolling harder, voice breaking into desperate whimpers, as if clinging to the only release that could cover her mistake.
And on the other side of the screen, BlackShadow watched intently. Filing away every slip, every sound, every clue.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
She should’ve canceled tonight’s stream. She’d been distracted all day, Eunseok’s words replaying in her mind like a taunt.
But her notifications kept buzzing, and at the top was the same name as always.
BlackShadow has tipped $700.
Request: Private 1:1 call.
She swallowed hard. Her hands shook as she accepted, camera angle carefully fixed to show only her body.
The familiar distorted voice filled her headphones. Smooth. Dark. Almost mocking.
“Miss me?”
Her lips parted, but no sound came out.
“You seemed distracted today,” he continued lazily. “Is something… on your mind?”
Her chest tightened. She forced out a breathy laugh, trying to sound casual. “You… you don’t care about that. You just want a show, right?”
He chuckled. “Oh, I want more than that tonight.”
Her thighs pressed together instinctively. “W-what do you mean?”
“Take off the hoodie.”
She froze. That hoodie— it was the same oversized one she always wore in class.
Slowly, she peeled it off, tossing it aside.
“Good girl,” he murmured. “Now touch yourself. Don’t hold back.”
Her fingers slipped under her panties, the slickness betraying how much she’d been waiting. Her breath stuttered as she began to move, her moans slipping past her lips before she could stop them.
But he didn’t let her stay comfortable for long.
“Faster,” he ordered. “Arch your back. Let me see how desperate you are.”
Her body obeyed before her brain caught up. She arched, thighs shaking, wet sounds filling the call.
“God, listen to yourself,” he growled. “So messy. You’ve been thinking about me all day, haven’t you?”
Her head shook frantically. “N-no, I—”
“Liar.” His voice cut sharp through the distortion, a command that made her hips jerk. “Say it. Admit it.”
Her eyes squeezed shut, shame and need crashing together. “I… I thought about you,” she gasped.
“Say my name,” he pressed, voice low and lethal.
Her whole body convulsed, traitorous lips spilling it again. “Eunseok—!”
Silence.
Her heart dropped.
This time, his chuckle wasn’t amused. It was dangerous. “…You really can’t help yourself, can you?”
Tears pricked her eyes from the overwhelming heat, from the weight of knowing she had messed up again. “I-I didn’t mean—”
“Shh.” His voice cut her off, smooth and merciless. “Don’t apologize. Just keep going. Cum for me while moaning my name like the needy little kitten you are.”
Her body obeyed, shame burning hot as she cried out his name again and again, trembling violently until her orgasm ripped through her.
And when it was over, when she collapsed back on the bed panting, his voice was calm. Too calm.
“Sweet dreams, Sumin.”
The call ended.
Her eyes flew wide. He had never called her by name before.
Her blood turned to ice.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
The classroom buzzed with the usual low chatter before lecture. She slipped inside quietly, head down, hoodie up, praying no one looked at her too long. Especially not him.
Her pulse still hadn’t steadied since last night. Since the way his distorted voice had shifted— cutting sharp, dangerous, when she moaned his real name. The way he ended the call with hers.
He knew. He had to know.
She slid into her seat, second row, setting her notebook down with trembling fingers. If she just kept her head low, if she just avoided his eyes..
The chair beside her scraped back.
She froze.
A familiar cologne drifted in as he dropped his bag, sat down beside her like it was the most natural thing in the world.
“Morning,” he murmured. His voice was soft, low enough that only she could hear.
Her throat bobbed. “...M-morning.”
The professor started. Notes filled the projector. Pens scribbled. But her mind was empty, body on high alert as he leaned close enough that his arm brushed hers every time he moved.
Halfway through, he shifted in his seat, angling toward her. His knee bumped hers under the desk— once, then twice, like it wasn’t an accident at all.
She tried to pull away. He followed.
The back of his hand grazed her thigh, casual at first, like a mistake. Then his palm settled, warm, heavy, too deliberate to ignore.
Her breath stuttered.
“Relax,” he whispered, pretending to copy notes. “You’ll draw attention.”
She clenched her legs together. Bad move.
The subtle pressure made him smirk. She didn’t have to see it— she could feel it radiating off him.
The professor’s voice droned on. Pages flipped. And under the desk, his hand inched higher, squeezing her thigh once before retreating, leaving fire in its wake.
Her pen slipped from her fingers.
He picked it up before she could, brushing it into her hand, his thumb grazing the inside of her wrist. He held it a beat too long, gaze cutting to hers.
Her pulse thundered. Her face burned.
She couldn’t take notes anymore. Not with his touch ghosting over her skin, not with the phantom heat of his hand still searing her thigh.
By the time class ended, she bolted upright, shoving her things into her bag.
But he was faster.
He caught her strap, tugging lightly until she stumbled back toward him. His breath brushed her ear. “In a hurry?”
“I-I... I have to—”
“Library,” he said simply. Not a question. A command.
The library was hushed, half-empty in the late afternoon. She tucked herself between shelves, trying to breathe, trying to will away the ache in her body.
But he found her. Of course he did.
He slid in behind her, caging her against the bookshelf with his arms.
“You’ve been avoiding me.” His voice was quiet, even, but the weight of it pressed down on her.
Her eyes darted anywhere but him. “I... I wasn’t—”
“Don’t lie.” He stepped closer until his chest brushed her back. His hand slid to her hip, fingers curling against the waistband of her skirt. “You know what happens when you lie.”
Her knees trembled. Her breath came out shaky.
He lowered his head, lips grazing the shell of her ear. “Say it again.”
Her heart lurched. “... S-say what?”
“My name.”
Heat flooded her. She bit her lip, shaking her head, but he pressed harder against her, hand sliding lower, thumb grazing the top of her thigh.
“You screamed it last night,” he murmured. “So sweet. So desperate. Say it now.”
Her resolve cracked. Her whisper was barely audible. “Eunseok...”
He groaned low in his throat, his hand squeezing her thigh possessively. “Good girl.”
Her body betrayed her completely, then a soft whimper slipping past her lips, her hips pressing back against him without thought.
He chuckled, dark and satisfied. “Careful. If you keep that up, I won’t stop here.”
The weight of his words slammed into her. They were still in the library. Anyone could walk by.
She jolted, pushing lightly against his arm, shaking her head. “N-not here...”
He smirked, pulling back just enough to let her breathe, though his hand lingered on her hip. “Fine. Not here.” His lips brushed her ear one last time. “But you won’t escape me forever.”
And just like that, he stepped back, casual, collected, as if nothing had happened.
Leaving her pressed against the shelves, thighs trembling, heart in her throat.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
She did everything she could to stay out of his orbit.
She skipped the cafeteria when she saw him sitting with friends. She left class early, pretending to get calls she never answered. She ducked into stairwells, cut across courtyards, buried herself in the stacks of the library.
But she wasn’t invisible anymore. Not to him.
Every time their eyes brushed, she saw it: the glint of amusement, of possession, of knowledge. He knew. And worse— he enjoyed watching her squirm.
By the end of the week, she was exhausted. Her friends asked if she was sick; she only shook her head. She couldn’t tell them the truth.
She couldn’t tell anyone.
Not when the same boy she was running from in daylight still owned her at night.
Her phone buzzed. A new tip. The same username.
BlackShadow has tipped $800.
Request: Private 1:1 call.
Her stomach twisted. Her finger hovered over the decline button. She should cancel. She should run.
But the screen stared back at her, obscene and undeniable. Rent. Books. Bills. Things she couldn’t cover without him.
Her hand shook as she hit “Accept.”
The screen flickered. She adjusted her camera, keeping her face hidden, showing only her body draped in lingerie.
Her voice came out small, shaky. “... You’re back.”
The line was quiet for a beat. Then his voice came, smooth, distorted, just like always. “Of course I am.”
She tried to steady herself. She tried to pretend nothing had changed. “W-what do you want me to do tonight?”
Silence.
Then, softly. “Take off the mask.”
Her breath hitched. “What...?”
The voice distortion cut off with a low click.
And there he was.
Eunseok.
On her screen, clear as day, no filters, no disguise. He leaned back in his chair, lit only by the glow of his monitor, gaze heavy and unflinching.
Her heart stopped.
She scrambled to shut off her camera, but his voice snapped sharp through the call. “Don’t.”
Her hand froze on the mouse.
His eyes narrowed slightly, a dangerous calm in them. “You know who I am. And I know who you are.”
Her pulse thundered in her ears. She shook her head frantically. “N-no, you— you don’t.”
He smirked. “The mole on your collarbone.” His gaze dipped, deliberate, right where the tiny mark peeked above her lace. “The same one I see in class. Every. Single. Day.”
Her blood turned to ice.
He leaned closer to his camera, voice dropping low. “Show me your face, Sumin.”
Tears pricked her eyes. “I-I can’t..”
“You can.” His tone softened slightly, but the steel remained beneath it.
“You owe me that much, don’t you? After everything I’ve given you. After the way you moaned my name like you wanted me to ruin you.”
Her breath shuddered. Shame burned hot in her chest.
“Look at me,” he commanded.
Her trembling hand lifted the camera higher, the frame catching her lips, her chin, her flushed cheeks.
Higher.
Until her face was bare before him.
Eunseok’s eyes drank her in. Slowly. Completely.
A small, satisfied smile curved his mouth. “Knew it.”
Her body curled inward, face burning. “Please.. don’t tell anyone...”
He chuckled softly. “Why would I share? You think I want anyone else looking at what’s mine?”
Her breath caught. The word lodged in her chest. Mine.
Eunseok leaned back, utterly composed, like this had been inevitable from the start. “Good girl. Now…” His smirk deepened. “Let’s make tonight more interesting, shall we?”
Eunseok sat back in his desk chair, shirt loose, hair a little messy, his hand already lazily stroking himself.
Her lips parted. “Eunseok… you—”
“Look at you.” He leaned closer to the camera, eyes sharp, smirk curling. “You’re already wet, aren’t you? Show me.”
She hesitated, thighs pressed tight, trembling.
“Sumin.” His tone dropped, rough and commanding. “Show me. Or I’ll sit here and make you watch me finish without you.”
Her fingers shook as she slid her panties aside, revealing glistening folds that made his jaw tighten. He stroked himself harder, groaning. “Fuck… I knew it. Knew you were dripping for me every time I tipped.”
Her eyes flickered down, watching his fist pump around his cock, and a whimper escaped her throat.
“Touch yourself,” he ordered.
Her hand slipped between her thighs, fingers circling clumsily at first, then pressing harder as her breath hitched.
“That’s it,” he growled. “Faster. Don’t you dare look away from me.”
Her head fell back, a shaky moan spilling out, his name slipping past her lips before she could stop it. “E-Eunseok…”
His pace faltered, eyes darkening. “Say it again.”
She bit her lip, body arching as her fingers worked faster. “Eunseok—ahh—”
His chest heaved, his hand pumping harder, precum glistening. “Fuck, keep saying my name. Louder.”
Her thighs trembled, hips jerking against her hand. “I can’t—ahh—I’m gonna—”
“Not yet.” His voice snapped sharp.
Her body stilled, eyes flying wide. “W-what?”
“Stop.” He smirked, slowing his own strokes, teasing. “Pull your hand away.”
She shook her head, tears of frustration pricking her eyes. “You can’t—please, I’m so close—”
“I said stop.” His glare pinned her in place, cruel and commanding.
With a broken whine, she pulled her hand back, thighs clamping shut, her whole body shaking.
Eunseok’s fist tightened, stroking slow, deliberate. He groaned, eyes locked on her desperate face. “God, you look wrecked. Begging without me even touching you.”
She whimpered, thighs rocking against each other helplessly. “Please… Eunseok, let me—”
“Not yet.” He leaned back, smirk cruel as his strokes grew rougher, faster, the wet sound of his hand around his cock filling the call. “You’ll come when I say. Not before.”
Her fists balled in the sheets, chest heaving, lips trembling. “Please, I need it—”
“Beg harder.”
“Eunseok—please! I’ll do anything, just let me—”
He groaned, close, eyes burning through the screen. “That’s it. Cry for it. Show me how much you want my cock inside you instead of your fingers.”
Her breath hitched, broken sobs mixing with moans, her body arching in pure need.
He smirked, cruel and satisfied. “Not tonight.”
Her whole body collapsed back against the bed, trembling, her face wet with frustrated tears. She looked at him through the screen, eyes pleading, lips whispering his name over and over, desperate and undone.
Eunseok’s low laugh filled the call, rough and merciless. “Sweet little Sumin… mine to ruin, mine to break. And I’m not even finished with you yet.”
Her thighs trembled, still clamped tight, her face buried in the pillow for a moment before she looked back at the screen. Her lips were red from biting, her voice cracked. “Eunseok… please. I can’t—”
“You can.” His tone was sharp, low, each word dragging over her skin like a blade. His hand pumped faster around his cock, the veins bulging, precum slicking his fist. “You’ll sit there, dripping and desperate, and you’ll watch me finish while you beg.”
Her nails dug into the sheets. “That’s so—cruel—”
He smirked. “Exactly.”
He angled his camera lower, making sure she saw every stroke. The sight made her whimper, thighs rubbing together helplessly. “You want this inside you, don’t you? Say it.”
Her chest heaved, shame flooding her cheeks. “I… I want it.”
“Not good enough.” His voice cracked like a whip. “Say it right.”
Her voice broke into a sobbing moan. “I want your cock inside me—please, Eunseok, I need it—”
“Fuck…” His jaw clenched, hips jerking into his fist. “That’s it. Beg for it. Beg like the little slut you’ve been hiding under that quiet act.”
Tears slipped down her face as she choked out, “I’ll do anything—anything you want—just let me cum with you—”
His groan was guttural, shaking through the speakers. “You hear that? That’s how bad you make me, Sumin. You—no one else.” His pace grew frantic, every stroke brutal.
She could barely breathe, the sound of his rough breathing and wet strokes pulling her closer to the edge she wasn’t allowed to reach. She writhed, whining, her body betraying her.
“Open your legs,” he growled suddenly.
Her thighs fell apart on instinct, pussy glistening under the glow of her laptop screen. She was dripping, swollen, twitching with need.
His eyes darkened further. “Look at you… fucking ruined. And you haven’t even been touched.”
Her sob of frustration cracked into another moan. “Eunseok—”
“Say my name while I cum.” His voice was guttural now, breath ragged. “Don’t stop saying it.”
“Eunseok—Eunseok—Eunseok—” She chanted it like prayer, tears streaking her flushed cheeks, her body rocking with the rhythm of his fist.
His head dropped back, jaw tight, a broken groan tearing from his throat. “F-fuck, Sumin—”
He came hard, hot ropes spilling over his fist, dripping down his knuckles, every muscle straining as he stroked himself through it. His groans filled her headphones, raw and unrestrained, every sound shooting through her like fire.
Sumin’s whole body arched, trembling violently, so close she could taste it—
“Don’t you dare cum,” he snarled, voice ragged as he slowed his strokes, cum still dripping over his hand.
Her scream cracked into a sob, her hands clawing at the sheets, thighs spasming open and shut. “Please! Please, Eunseok, I can’t—please let me—”
The camera focused on his sweat-slick chest, his satisfied smirk. “Not yet. You’ll cum when I’m inside you for real. Not before.”
Her broken whimper was the last sound before the call cut, leaving her flushed, soaked, and ruined on her bed— unsatisfied, desperate, and completely under his control.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
The next morning, campus felt unbearable.
Sumin sat at the back of the lecture hall, hoodie drawn up, hair curtaining her flushed face. Every time she shifted in her seat, she remembered how soaked she’d been the night before, how her thighs had ached from clenching shut, how he’d ended the call with her begging like a mess.
Her notebook lay open, but the words on the board blurred. She couldn’t concentrate, not with the phantom sound of his groans replaying in her head.
When the door opened and Eunseok walked in, the room shifted. He didn’t even have to try— tall, broad-shouldered, composed as always, students’ eyes following him with admiration.
But his gaze slid unerringly to her.
Sumin’s chest seized. She dropped her head, pretending to scribble notes, but the weight of his attention pressed heavy, like he could peel back every layer of her.
He didn’t approach right away. He took his seat, calm as ever, but when the professor called for pair work, fate, or maybe his intention — had him standing over her desk.
“Partner?” His voice was smooth, polite, but his eyes glinted with something darker.
Her throat went dry. “I—I already—”
He slid into the seat beside her anyway, leaning close enough that she caught his cologne. “Don’t lie to me, Sumin.” His whisper was meant only for her, deep and unrelenting. “You weren’t complaining last night.”
Her pen clattered to the floor. Her entire body stiffened, blood rushing to her face. She couldn’t meet his eyes.
His hand brushed hers casually on the desk, but the touch made her jolt like a live wire. He smirked.
The rest of class was torture— every time she dared glance sideways, he was already watching her.
Calm. Patient.
Like he had all the time in the world to wait for her to break.
When it ended, she bolted, clutching her bag to her chest, weaving through the crowd.
But his stride was longer. By the time she reached the quiet stretch behind the library, his hand caught her wrist, pulling her to a stop.
Her heart slammed. “Eunseok—”
He pressed her gently but firmly against the brick wall, one arm braced beside her head. His eyes locked on hers, steady, unreadable, but the corner of his mouth curved.
“You looked so pretty on camera,” he murmured, low and devastating. “But you’re even prettier when you’re trying to run from me.”
Her knees weakened. Heat pooled low in her stomach. She hated how his words made her thighs press together, the ache from last night roaring back.
“I’m not—” she stammered, but the lie broke in her throat.
He leaned closer, lips almost grazing her ear. “You think I’m going to let you avoid me after what you begged for? After you moaned my name like that?”
Her breath caught, a strangled sound escaping.
His hand slid from her wrist to her hip, fingers squeezing lightly, testing the line. “You want to pretend nothing happened, fine. But your body won’t let you. Not after I’ve seen you like that.”
She trembled, pinned between fear and raw, humiliating desire.
When his thumb brushed the waistband of her jeans, her gasp betrayed her.
He chuckled softly, satisfied. “That’s what I thought.”
Her back pressed against the wall, Sumin’s breath came in shaky bursts. Every instinct screamed to look away, to deny him again, but Eunseok’s presence was suffocating. His hand stayed firm on her hip, thumb stroking lazily against the edge of her waistband like he owned it.
“You’re shaking,” he murmured, voice low, warm against her ear. “That nervous? Or that turned on?”
Her lips parted, but no sound came out. The way his eyes pinned her, steady and unrelenting, stripped her bare.
He smirked. “I’ll take that as both.”
His hand slid higher, skimming under the hem of her hoodie, fingertips brushing her stomach. She jolted, heat flooding her cheeks.
“Eunseok—”
The way she whispered his name, soft and cracked, made his eyes darken. “Say it again.”
Her chest heaved, her voice trembling. “E-Eunseok…”
That was all it took. His hand left her waist, but only to tilt her chin up, forcing her to meet his gaze. For one breathless second, he studied her, calm as if deciding whether to break her right there.
Then his mouth crushed against hers.
The kiss was nothing like she’d imagined— rough, hungry, all teeth and tongue, as though he’d been starving for her. Her knees buckled, but his hand at her waist held her up.
She gasped, and his tongue slid past her lips, claiming, demanding. Her hands fisted in his shirt, pulling him closer despite her shame.
His other hand roamed, sliding down her side, cupping her ass firmly. She whimpered into his mouth, the sound swallowed whole.
“You taste even better than you sound,” he muttered against her lips before biting gently at her lower one, tugging until she moaned.
Her thighs pressed together, desperate friction making her tremble. He noticed, of course— his smirk pressed against her mouth told her he noticed everything.
“Already wet for me?” His voice was teasing, cruelly soft, as his hand squeezed her ass again, pulling her hips flush to his.
She felt him then— hard, straining against his jeans, pressed against her thigh. The shock made her gasp, but the heat that followed drowned it out.
Her body betrayed her, hips shifting against him, chasing the friction.
His low groan vibrated against her lips. “Fuck… you really can’t help yourself, can you?”
She wanted to deny it, to shove him away, but when his hand slid up her back, pressing her tighter against the length of him, the words died in a helpless whimper.
Her back scraped against the wall as he pressed closer, his lips devouring hers, hand firm on her hip to keep her from slipping away.
Every shift of his body ground his hardness against her thigh, and every time she gasped he swallowed it greedily, tongue sliding deeper.
Her hoodie bunched where his fingers dug into her waist, tugging her flush against him. She could feel how badly he wanted her— thick and solid through his jeans, and the realization sent her stomach twisting, heat flooding low between her legs.
She tried to turn her head, to catch her breath, but his mouth followed, stealing every fragment of air she managed to draw. His kiss was relentless, claiming, like he wanted her entire body to know she belonged to him now.
Her hands fisted tighter in his shirt. She could have pushed him away. She didn’t.
Instead, her hips shifted instinctively, pressing against him. The groan that tore from his throat was low, raw, and it made her shudder.
“Fuck…” he muttered, lips brushing her jaw as he spoke. “Even here, even now, you can’t stop yourself.”
Her thighs pressed together, but the friction wasn’t enough, not with the heat rolling off him and his grip forcing her hips to stay against his.
She whimpered, muffled by his mouth, every sound betraying how close to breaking she was.
He chuckled darkly, pulling back just enough to look at her— lips swollen, cheeks flushed, eyes glassy.
“You should see yourself right now, Sumin. Quiet little Sumin, grinding on me like she’s begging for it.”
Her stomach flipped. “Shut up,” she whispered, but it came out shaky, needy.
He smirked, brushing his lips against hers again but not kissing her fully this time, dragging out the torture. “You’ll shut me up later… with your mouth.”
Her breath caught, knees weak, but before she could answer, footsteps echoed from the far end of the hall.
In an instant, his hand slid away, though his body stayed pressed close a moment longer, eyes locked on hers. His smirk was all promise, no apology.
Then he stepped back, calm and collected, leaving her pinned against the wall with her lips swollen, her chest heaving, and her thighs trembling.
“We’ll finish this later,” he murmured, voice low enough for her ears alone, before strolling off like nothing had happened.
She sank against the wall, pulse racing, trying to catch her breath. No matter how hard she tried to compose herself, the ache between her legs refused to fade.
The next few days blur into a cruel routine.
She tries to avoid him on campus— ducking out of hallways when she spots his tall frame, leaving lecture halls a little earlier, always pretending to scroll through her phone when he passes. But every time, she feels his eyes on her. Not in the casual way classmates glance around, but heavy, deliberate. Watching. Waiting.
In class, he’s the model student, pen gliding across his notebook, posture perfect, voice calm when he answers a professor’s question.
But sometimes, when she risks a glance, he’s already looking her way. His expression never gives anything away, but his mouth curves ever so slightly, like he knows she’s squirming.
And at night…
She tells herself she shouldn’t log in. She should ignore the notification that “BlackShadow” tipped her another obscene amount, his request simple and demanding: private call. now.
Her body betrays her. She clicks accept.
This time, his face is there from the start.
The same calm expression she’s seen in class, but darker now, eyes hooded with hunger. She’s trembling as the camera captures her lips, her collarbones, the bare slope of her shoulders.
“You think you can avoid me all day,” he murmurs, voice deep without distortion now, “then come running to me at night? Hm?”
Her thighs press together under the desk. She doesn’t answer, just bites her lip, but he catches the movement.
“Open those pretty lips and say something,” he orders. “Or do you want me to drag the words out of you like last time?”
Her cheeks burn hot, but her body heats for a different reason. She should end the call. She doesn’t.
Instead, she whispers, “... You’re cruel.”
His smirk widens, slow and knowing. “Cruel? But you like it.”
Her breath stutters, because she can’t deny it.
He leans back just enough for her to see him fisting his cock again, the same way he had the first night. He strokes leisurely, never rushing, his eyes locked on her trembling body through the screen.
“Touch yourself,” he says, firm but unhurried. “Not like you did before. Slow. I want to see you beg this time.”
Her fingers hover at the waistband of her shorts.
Hesitating. Trembling.
She hates how much she wants to obey. Her hesitation makes him chuckle low, deep in his chest.
“What’s wrong, baby?” His grip tightens around his cock, slow strokes that make her thighs squeeze tighter. “Don’t tell me you’ve forgotten how to put on a show for me.”
“I—I haven’t...” she whispers, her voice trembling as she slips her hand under her shorts.
The fabric is already damp, sticking against her folds, and she hates the needy sound that escapes her throat when her fingers brush over her clit.
“There you go,” he drawls. “God, I can almost hear how wet you are. Show me.”
Shame flushes her cheeks, but she obeys. She pulls her shorts aside just enough to give the camera a teasing glimpse of her slick fingers. His groan rumbles through her speakers, deep and raw, and it makes her clench.
“That’s mine,” he says roughly. “All of it. Don’t forget that.”
Her breath stutters as she circles her clit faster, hips jerking against her own hand. She tries to bite back her moans, but one slips free— and with it, his name.
“Eunseok—!”
The second it leaves her lips, she freezes. Eyes wide.
On the other side, his strokes don’t falter. If anything, they grow rougher, precum glistening on his length as he watches her fall apart. A dark, satisfied smirk curls across his face.
“Finally,” he breathes. “Say it again.”
She shakes her head, panic and heat colliding, but he doesn’t let up.
“Say my name while you touch yourself. Say it while you fall apart for me.”
Her body trembles violently, obeying even as her mind screams against it. “E-Eunseok...”
The way his groan rips through the mic makes her wetter, her thighs shaking.
“Good girl,” he growls. “Faster.”
She rubs her clit furiously now, pleasure building too quickly, threatening to snap. He sees it in the way her chest heaves, the way her moans climb higher.
And then, just when she’s seconds away, he stops her.
“Hands off.”
Her eyes snap open, dazed and desperate. “W-What? No.. please—”
“Hands. Off.” His tone leaves no room for disobedience.
Tears sting her eyes as she pulls her trembling fingers away, thighs clamping shut. Her entire body aches with the need for release, but he just sits there stroking himself, smirking like a devil.
“You don’t get to cum until I say so.”
Her whimper cuts through the silence, soft and broken. He drinks it in.
“That’s how this works now,” he murmurs, voice dripping with cruel satisfaction. “You want it that bad? You’ll have to come and beg me in person.”
The call ends abruptly, leaving her staring at the black screen, panting, body wrecked and unsatisfied— her desperation lingering, gnawing at her like a flame that won’t die.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
The next day, her notifications pile up. Missed messages, tips, requests from other subscribers. She doesn’t answer a single one. The account just sits there, untouched.
Because Eunseok has her number now.
It started so simply— her phone buzzing between classes with a new contact saved without her permission.
No name, just digits.
She knew immediately who it was.
The first text came minutes later:
[Unknown]: don’t make me chase you. you won’t like it.
Her chest tightened. She hadn’t replied. She couldn’t. But her silence only seemed to amuse him.
That night, her phone lit up again.
[Unknown]: camera. now.
Her breath caught. She stared at the message for a long time, heart racing, until her body betrayed her. Against every shred of reason, she tapped the link.
Eunseok’s face appeared instantly. Not blurred. Not hidden. No disguises anymore. Just him— leaning back on his bed, shirt loose, hair falling across his forehead, his gaze sharp as it pinned her in place.
“You don’t need that account anymore,” he said softly, like it was the simplest truth in the world. “Forget them. Focus on me.”
Her throat went dry.
“I—” she started, but her voice broke.
His smirk curved slow and deliberate, like he was savoring her unraveling. “That’s right. No one else gets to see you like that again. Only me.”
The words sank into her skin like a brand, searing and undeniable. She should’ve protested, told him he was insane, but instead her hand hovered near the hem of her shirt, trembling, already reacting to the weight of his command.
“Good girl,” he murmured when she moved. “Now show me how much you missed me.”
And just like that, she forgot about the account, forgot about the others, forgot about everything except him.
The camera flickered, her image shaky at first, but then she settled back on her bed. Eunseok’s gaze sharpened instantly.
“Off,” he ordered, voice low but heavy with intent.
Her breath caught. “... What if someone—”
“No one’s watching but me. And you don’t care, do you?” His tone left no room for argument.
Her fingers trembled, but she obeyed. The thin shirt slipped off her shoulders, leaving her exposed under his unflinching stare.
“That’s it,” he murmured, voice thickening. “My quiet little classmate, spreading her legs for me and only me now.”
Heat flared in her chest and between her thighs. Her hand dipped, panties tugged aside, fingers working herself open as his words filled her ears.
“Faster.”
Her hips bucked, breath ragged, the wet sound of her fingers loud in the silence.
“Say my name,” he demanded suddenly.
She bit her lip, trying to hold back, but it slipped out broken and desperate. “E-Eunseok...”
“Louder.”
“Eunseok—” she gasped, body jerking as she edged closer, closer, the knot in her stomach tightening painfully.
His eyes burned, lips curling into a cruel smirk. “Stop.”
She froze, pupils blown wide, body trembling as if her own skin betrayed her.
“Don’t,” she whispered, voice breaking, thighs shaking from restraint.
“I told you,” he said slowly, savoring her anguish, “you don’t get to cum unless I’m there to feel it.”
Her chest rose and fell in shallow, desperate breaths. Tears pricked her eyes— not from sadness, but sheer frustration. Her body screamed, throbbing with unrelieved tension.
He leaned closer to his camera, voice dropping to a promise that clawed down her spine. “Do you want me to come over?”
Her lip quivered, dignity cracking apart piece by piece.
“I.. I can’t take it anymore... ” she whispered, voice shaking. “Come over. Please. I need you.”
The sound of his low chuckle sent shivers through her, and before the call cut, his last words spilled like gasoline over flame:
“Good girl. Keep yourself messy and waiting. I’m on my way.”
Her phone slipped from trembling fingers the second the call ended. Her chest heaved, body still on edge, nerves raw from being denied.
Every nerve screamed for release, but it wasn’t hers to take anymore. Not since Eunseok claimed it.
A knock rattled her door fifteen minutes later. Sharp. Confident.
Her stomach twisted. She scrambled off the bed, legs weak, barely able to steady herself as she opened it.
He stood there— hood up, broad shoulders filling the frame, eyes dark with the same hunger that had haunted her through the screen.
“You really begged me to come,” he said, stepping inside without waiting for an invitation. “Didn’t even hesitate.”
She swallowed hard, back pressing to the wall as he closed the door behind him.
“Say it again,” he demanded, his hand braced against the wall beside her head. “Tell me what you need.”
Her voice cracked, shaky but honest. “I need you.”
He smirked, hand sliding down to her waist, gripping hard enough to make her gasp. “That’s better.”
Her protest— if she had one, died when he crushed his mouth against hers, all teeth and heat, claiming every part of her. His hand slid between her thighs, finding her drenched, his groan muffled against her lips.
“Messy just like I told you to be,” he growled, pressing his hardness against her hip. “You’ve been waiting for this, yeah?”
She nodded frantically, a whimper caught in her throat.
He spun her, pressing her against the door, his body pinning hers in place as his hand teased over her soaked panties. “Then you’re going to earn it.”
Her hips bucked, desperate, and he grinned darkly. “Not yet.”
Her nails dug into the wood, breath ragged, her body betraying her shame as he dragged it out again— teasing, grinding, feeding the ache until her legs shook.
“Tell me,” he whispered against her ear, low and rough. “Do you still want me to stop you from finishing?”
Her head jerked back, eyes wild with need. “N-no— please don’t stop—”
His laugh rumbled in her chest as his fingers finally slid past the barrier, filling her in a single stroke that tore a cry from her throat.
“Then I won’t.”
Her gasp broke into a moan as Eunseok’s fingers drove her higher, but before she could lose herself, he pulled back.
She barely had time to whimper before his hands gripped her thighs, lifting her with effortless strength.
She clutched his shoulders in shock, legs wrapping around his waist instinctively as he carried her across the room. His mouth claimed hers again, messy and heated, each kiss deep enough to steal what little air she had left.
When he reached the bed, he didn’t set her down gently.
He tossed her onto the sheets, her body bouncing once before sinking into the mattress. She scrambled up on her elbows, heart racing, watching him peel off his hoodie, then his shirt, every line of his body carved and commanding in the dim light.
Her thighs pressed together involuntarily.
He caught it. Smirked. “Don’t bother hiding it now.”
Crawling onto the bed, his weight sank the mattress around her, caging her in as he pushed her knees apart.
Fingers hooked into her panties, dragging them down her legs in one swift motion. He didn’t even look away while doing it— his eyes stayed locked on hers, drinking in every twitch, every tremble.
“You’ve been mine from the moment you begged me on that call,” he said roughly, dragging his palm over her soaked heat.
“This—” his fingers slid through her wetness, spreading it across her folds until she whimpered, “—is proof.”
She arched into his hand, lips parting in a desperate plea, but no sound came out.
“Beg louder,” he teased, leaning down until his lips brushed her ear. “Or I’ll drag this out until you’re crying.”
Her chest heaved, pride snapping like glass. “Please, Eunseok… I can’t.. just take me—”
The sharp edge of his chuckle sent heat straight to her core.
“Finally.”
And then he pushed her back into the sheets, lining himself up, his tip dragging slow and deliberate over her soaked entrance.
She whined, hips lifting to meet him, but he held her down, savoring her desperation one last moment before driving in deep, hard enough to knock a cry from her throat.
Her cry split the room when he filled her, her walls clenching around him immediately.
Eunseok groaned low, head dropping for a moment as he buried himself to the hilt, savoring the way she gripped him.
Then, just when her hips started rolling to meet his, he pulled back. Almost all the way out. His length dragged slow and heavy against her walls, making her whimper in frustration.
“Too slow?” he taunted, voice ragged but steady.
“Yes—” she gasped, nails digging into the sheets.
His answer was a sudden, brutal thrust that drove her into the mattress, stealing the air from her lungs. She screamed his name, the sound breaking into a moan as he repeated it again, and again, pounding hard enough to make the headboard rattle.
But just as her cries pitched higher, his rhythm changed.
He slowed, grinding deep instead of thrusting, making her feel every inch of him dragging against her soaked walls.
“Look at you,” he murmured, lips brushing her jaw. “So needy you can’t decide if you want it rough or slow. Which is it, Sumin?”
Her answer came out broken, trembling. “Both, god, I want both—”
His laugh rumbled against her skin. “Greedy.”
He pulled almost all the way out again, making her squirm, whimpering for more, then slammed back into her with punishing force, ripping another cry from her throat.
He kept the rhythm cruelly unpredictable: slow, deep thrusts followed by relentless pounding, dragging her higher then snatching the edge away again.
Every time she clawed at him, begged for more, he gave it— only to shift gears and deny her release again. Her frustration built hotter, sharper, until tears pricked her eyes with the sheer intensity of it.
“You’ll break for me,” he growled against her ear, hips snapping hard enough to jolt her whole body. “And I’ll decide when.”
Her moans filled the room, frantic and desperate, her voice cracking on his name.
She was trembling, body stretched tight around him, every thrust dragging her higher, every slow grind making her ache more.
Her hands fisted the sheets, nails digging into the fabric as he alternated between punishing slams and slow, deliberate slides that made her whimper uncontrollably.
“God, you’re so wet for me,” he growled, hips snapping into her in a perfect rhythm one moment, then stalling just enough the next to make her whine, desperate for friction.
“So needy… tell me how badly you want to come.”
Her voice was raw, broken by moans and gasps. “Eunseok.. please... I-I need it.. I can’t hold—”
“Can’t hold?” he teased, pulling back just far enough to drag the tip over her slick folds, making her whimper, “No. You’re not getting to cum until I say so. You want it, don’t you?”
She nodded frantically, thighs trembling, hips lifting involuntarily. “Yes! Yes, please, I need you!”
He smirked, groaning low as he slammed back into her, hitting her just right, her walls clenching around him. Her cries shattered the quiet room, every desperate sound feeding his smug satisfaction.
Then he slowed again, dragging out every sensation, pressing deep but not moving for a long moment, letting her body shake under him, her back arching off the mattress. Her moans turned into pleading, shaky gasps.
“You’re already desperate,” he murmured against her neck, voice a dark promise. “I can feel how much you’re trembling. You want release so badly it’s painful, huh?”
“Y-Yes! Please, don’t stop—” she begged, voice cracking, her chest heaving, her entire body begging for him to push her over the edge.
But he didn’t. Not yet.
Instead, he pulled just slightly out, dragging her along the sheets with him as his hands gripped her hips, then slammed into her again, relentless. The mixture of slow and fast, teasing and punishing, made her head spin.
Her thighs shook uncontrollably, heat pooling, body on fire, and every shift of his hips sent her closer to breaking, only for him to switch the rhythm, denying her the release she craved.
“Tell me you need me more than this,” he demanded, voice low and cruel. “Tell me you can’t take it without me inside you.”
“I.. I can’t... I need you.. I need you, Eunseok!” she cried, tears threatening to fall as her body quivered under his relentless rhythm.
His dark chuckle vibrated through her, and he pressed his mouth to hers in a bruising kiss. “Good girl.. you’re mine,” he murmured, his hips snapping hard into her again, dragging her higher, closer, and closer.
Her desperate whines filled the room, a symphony of frustration, longing, and raw need.
Every edge teased, every pull-back left her trembling, craving, begging. And still, he held her at the brink, cruelly, beautifully, completely in control.
Her body was trembling uncontrollably, hips jerking of their own accord as he slammed into her with that same relentless, teasing rhythm. Each slow drag of his hips made her whine, each brutal thrust stole her breath, her back arching off the mattress with desperate need.
“Please... Eunseok.. I.. I can’t...” she gasped, voice breaking, hands clutching his shoulders like anchors, nails digging into skin.
“You can’t what?” he murmured darkly, low against her ear, grinding deep just enough to make her cry out. “Tell me what you can’t do.”
“I.. I can’t hold it.. I need.. please.. I need to come..”
His chuckle was cruel, his teeth grazing her earlobe. “Is that what you think? That I’d let you have it that easily?”
Her hips lifted involuntarily, rubbing herself along him, whimpering, voice breaking into gasps. “Please... I-I can’t take it anymore.. please.. let me...”
“Good girl,” he murmured, smirk audible in his voice, gripping her hips tighter, fingers digging in as he slammed forward, dragging her closer to the edge.
“Beg for it properly. Tell me you’re mine, and only mine. Beg me to let you come.”
“I-I’m yours! Only yours! Please.. Eunseok.. I... I need you... I’m yours.. please let me come..” she cried, tears prickling her eyes as her entire body shuddered under his relentless pace.
He groaned deep in his chest, eyes dark, lips brushing hers in a bruising kiss that stole her breath.
“That’s right... you’re mine. And you’ve been such a good, needy girl..”
Her thighs quaked, every nerve screaming, her hips lifting into him like she’d do anything for release. “I.. I can’t take it anymore.. please… I need you.. I need to come.. please, Eunseok...”
He smirked against her lips, savoring her desperation, then slowed just enough to drag out the torment, keeping her right on the edge, whispering dark promises in her ear, every word making her ache more.
“Not yet…” he breathed, then slammed back in, hips snapping hard, driving her closer and closer.
Her cries were raw, desperate, every whimper and moan begging for relief.
Finally, after what felt like an eternity, he leaned down, teeth grazing her shoulder, lips hot against her neck. “You’re mine,” he whispered fiercely. “Beg me one last time.”
“I-I.. please.. I’m yours.. I need you.. please let me come.. I can’t hold it.. I need you to make me…” she sobbed, body trembling, utterly undone, legs quaking, every inch of her aching and drenched for him.
His grin was dark and victorious. “That’s my girl…”
Her chest heaved, mouth gasping, hands clutching him desperately. She was finally broken, completely his— desperate and aching for the only man who could drive her to madness.
He didn’t give her a chance to recover.
With a low growl, he slammed into her again, deep and hard, his hips driving her body into the mattress as if to mark her. Her hands clawed at him, pulling him closer, desperate to feel every inch, every thrust.
“Eunseok.. please.. I can’t..” she moaned, voice breaking, thighs quivering around him.
“Shh,” he grunted, lips pressing to hers in a bruising kiss, teeth grazing her bottom lip as he drove into her harder. “You’re mine. Mine, and only mine. You feel that?”
“Yes! I’m yours! Only yours!” she cried, pressing herself into him, desperate for friction, for release. Her hips bucked frantically with his, every thrust making her whimper, moan, and gasp all at once.
He pulled back just slightly, then slammed in again, faster, punishing, merciless. Her walls clenched, thighs quaking, every nerve screaming, and she felt herself teetering on the edge.
“Come on,” he growled against her neck, fingers digging into her hips, holding her in place as if he owned every part of her. “Let go for me. Cum for me, baby.”
Her back arched violently, fingers clawing his shoulders, nails scraping skin as waves of pleasure tore through her. Her moans became desperate cries, body shuddering uncontrollably as he drove her over the edge.
“Fuck— yes! Eunseok! Oh god—” she screamed, the sound raw and broken, every inch of her writhing under him, pulsing around him as she came, a trembling, quaking mess.
He groaned, letting her ride out her orgasm, hips still snapping, dragging her through it, keeping her held, marking her completely.
And when she finally shivered to stillness, chest heaving, lips raw and trembling, he didn’t stop. He pressed back into her, slow this time, driving himself deeper, letting her feel him pulsing inside, grounding her against his heat.
“You’re mine,” he murmured darkly, voice low and husky, lips brushing her temple. “All mine.”
Her fingers dug into his shoulders, still shaking, trembling from the intensity, and all she could do was nod, shivering. “I.. I’m yours.. only yours...”
He let out a deep, satisfied groan, then pressed a final kiss to her forehead. “Good. That’s mine.”
The room was quiet except for their ragged breaths, the sheets a tangled mess around them. She was spent, dripping, utterly undone. But the heat still lingered, raw and hungry, the memory of every slam, every tease, every cruel edge burned into her skin.
And for the first time, she didn’t want to run. She didn’t want to hide. She belonged to him— body, mind, and desire, and he knew it, smug and merciless, leaving her shaking, spent, and completely his.
‧˚₊•┈┈┈┈୨୧┈┈┈┈•‧₊˚⊹
The morning light streamed through her blinds, soft and warm, but it couldn’t compete with the heat still lingering on her skin from last night. Her phone buzzed on the nightstand, Eunseok’s name flashing across the screen.
She smiled softly, picking it up.
His grin appeared on the screen as soon as she tapped accept. No teasing voice effects this time. No hidden corners. Just him, dark-eyed and calm, but with that same smoldering hunger that had consumed her for weeks.
“Ready?” he asked, voice low, possessive.
She nodded, fingers trembling. “Yes..”
They set up the camera. She adjusted herself on the bed, anticipation buzzing through her, but this time it wasn’t about strangers or subscribers. It was theirs.
“I’ve been thinking,” she murmured, voice soft but confident. “I don’t need that account anymore.”
His smirk widened, eyes glittering with approval. “Good girl. Only me, right?”
“Only you,” she whispered, and this time, it was true. She typed a few quick commands on her laptop, logging out and deleting her account from her phone.
Just like that, BlackKittyx was gone, leaving them alone— and fully theirs.
The call continued, slower, more intimate now.
Fingers brushed, teasing, hands exploring without the frantic urgency of before. Laughter mixed with low groans, a rhythm that was theirs alone. This wasn’t about teasing or denial anymore; it was about claiming and savoring.
By the time the call ended, her entire body hummed with warmth, satisfaction, and anticipation.
She set her phone aside, curling under her blankets, feeling calmer than she had in weeks. For the first time, it wasn’t a game. It was real.
After class that afternoon, the campus felt charged. They walked together— her arm brushing his, shoulders occasionally bumping, just enough for her to feel the memory of him against her. Students whispered, eyes darting, but Eunseok ignored them, focused entirely on her.
“You’ve been… quiet,” he murmured, leaning close so only she could hear. “Thinking about our little arrangement?”
She smiled, cheeks warm. “Maybe a little. But I like it. Us, now.”
His hand found hers naturally, thumb stroking across her knuckles as they walked. “Good,” he said, voice low, almost a growl. “Because you’re mine, Sumin. Everyone can see it now.”
She bit her lip, thrilled and a little shy, but she didn’t pull away. She didn’t want to. The world could watch. She was his— body, heart, and desire, and that didn’t scare her anymore.
They lingered at the quad after class, sitting close on a bench, hands entwined, fingers tugging at each other as if to test who would flinch first. The teasing was soft, personal— no need for secrecy anymore.
“I like knowing you’re mine,” he murmured, voice husky, leaning over to press a gentle, lingering kiss to her temple.
“And I like that you’re mine,” she whispered back, tilting her head up to meet his gaze.
A few students nearby noticed the quiet intensity between them. Whispers followed, glances lingered, but neither cared.
They had something private, dangerous, intoxicating, and everyone else could just watch from the outside.
As the sun dipped lower, painting the campus golden, Eunseok wrapped an arm around her shoulders. Her head rested against his chest, hands gripping his jacket as if anchoring herself to him.
The day ended without need for dramatic declarations. No games, no teasing, no hidden calls. Just them— the boy who had once watched her from afar, now claiming every part of her, and the girl who had finally surrendered entirely, willing, messy, and completely his.
And in that quiet sunset, with campus life buzzing around them, everything had changed.
No secrets. No distractions.
Just him, her, and the slow, endless promise of more nights— more touches, more heat, more everything that would belong only to them.
Later that night, she settled into bed, soft blankets cocooning her. Her phone buzzed on the nightstand. She smirked before even looking— she knew who it was.
[Eunseok]: already waiting…
Her cheeks flushed, heart hammering. She picked it up and tapped accept. The screen flickered, and there he was— dark eyes, sly grin, shirt slightly unbuttoned, leaning toward the camera like he owned the world.
“No distractions tonight,” he murmured, voice low and dangerous. “Just us. You ready?”
Her fingers trembled as she arranged herself, curling into the familiar anticipation. “Yes..” she whispered, a shiver running through her.
And as his hand appeared, teasingly close to the camera’s edge, his dark chuckle filled her ears. She knew, without a doubt, that nothing— not the world, not whispers, not her own hesitation would ever come between them again.
The screen glowed warm in the dark room, and the night stretched ahead, theirs alone, full of promise, heat, and endless, delicious temptation.
── ⟢ ・⸝⸝
a/n: hey... hahaha... :) this was an olddddd draft but revised ver. originally for hyunjae x reader but since i'm not that into tbz as much as i am with riize now, decided to just switch to eunseok. my fav smut plot i ever had btw ^__^ hope yall eunseok girlies enjoy this as much as i do.