synopsis: You've been hooking up with both heeseung and riki separately for months, but when you let a stranger flirt with you at a party just to feel their eyes on you, they decide they're done sharing, done asking, done letting you walk away.
warnings: threesome, post party, smut, friends with benefits, blow jobs, unprotected sex, storage closet sex, possessive behavior, hair pulling, oral, pet names, overstimulation, fingering, light choking, swallowing. lmk if i missed any lol
a/n: i saw THIS edit and the thoughts started hitting me instantly, so obviously i had to write this lmao
You knew you were playing with fire the moment you agreed to come.
The party was loud, too many trainees and idols you didn't care to remember. You leaned against the kitchen counter, drink in hand, watching some guy try too hard to make you laugh.
His name didn't matter. Neither did his hand on your arm.
You let him talk, let him lean in, let him think he had a chance.
Because you could feel two pairs of eyes burning holes into your back from across the room.
You didn't see him coming, just felt a warm hand slide over your hip from behind, fingers pressing just hard enough to bruise later.
"Who's your friend?" His voice was low, right by your ear. The guy in front of you went pale.
You didn't flinch. Didn't lean in or pull away.
"No one" you said, taking a slow sip of your drink "Yet"
Riki's fingers dug deeper. His laugh was quiet and sharp "Cute"
The guy muttered an excuse and disappeared.
You turned your head just enough to catch Riki's expression. Dark eyes, flat smile, jealousy dripping from every sharp line of his face.
"That was rude" you said "I was having fun"
Heeseung appeared on your other side like smoke.
No warning. Just sudden warmth, his chest pressing against your shoulder blade, his hand landing on the counter beside yours caging you in.
"You're bad when you're bored" he murmured.
You looked up at him, met his gaze without blinking "You love it"
He tilted his head. Didn't deny it.
Riki's hand was still on your hip. Heeseung's body was a wall at your back. The music thumped through the floor — PARTYNEXTDOOR's "Make a Mil" slow, heavy bass.
"Come with us" Heeseung said. It wasn't a question.
You raised an eyebrow "Make me"
Riki's grip tightened. Heeseung's jaw flexed.
Then Heeseung smiled. Slow. Dangerous.
Heeseung took your hand, not gently, not rough either. Just firm. Like you were already his. Riki stayed close behind, a hand on the small of your back, steering you through the crowd.
No one stopped you. No one looked twice.
The hallway was dark. The music faded to a dull pulse behind a closed door.
You turned to face them, back against the wall, arms crossed.
"Okay, you've got me alone. Now what?"
Riki stepped into your space, one hand slamming flat against the wall beside your head. His face was inches from yours. You could smell his cologne, could see the way his chest rose and fell too fast.
"You let that guy touch you for twenty minutes" he said. "We watched every second"
You smirked "Jealous much?"
Heeseung came up behind Riki, resting a hand on his shoulder, looking past him at you. Calm, patient, hungry.
"We don't share, baby" Heeseung said "Not really"
"And yet" you said "you've been sharing me for months"
"That's different" Riki said, his thumb finding your jaw, tilting your face up "That's us, baby"
You should have been scared. Intimidated. Pinned between two of them in a dark hallway with no one around.
Instead, you felt your pulse kick, and doubled down.
"So what now?" you asked. "You're gonna fight over me? Draw straws? Flip a coin?"
Riki's eyes narrowed. Heeseung laughed low under his breath.
"No, baby" Heeseung said, stepping closer. His chest brushed Riki's back, his fingers found your chin turning your face toward him. "We're not gonna fight"
They looked at each other, some silent conversation you weren't invited to.
When they looked back, something had shifted. Darker. Hungrier.
"We're gonna stop pretending" Riki said, his hand sliding from your jaw to your throat, not squeezing, just resting there "You're not fucking anyone else. You're not even looking at anyone else"
You laughed, but it came out breathier than you wanted. "Bold assumption"
"It's not an assumption, pretty" Heeseung said, his thumb tracing your bottom lip "It's a decision"
"You don't get to decide for me"
"No?" Riki's fingers pressed just slightly, a warning, a tease "Then tell us no right now. Walk away"
The song was still playing somewhere, muffled through the walls.
Heeseung leaned in, lips brushing your ear "That's what we thought"
The nearest empty room was a storage closet.
Too small. Too dark. Perfect.
Riki shut the door. Heeseung didn't bother with the light.
You heard them moving, felt the heat of their bodies closing in. Your back hit something solid, a shelf, maybe. Didn't matter actually.
"You're shaking" Riki said. You couldn't see his face, but you could hear the smile in his voice.
His hands found your waist. Heeseung's hands found your hips. They pinned you there, bodies pressed against your front and side, nowhere to go.
"You've been running this game for months" Heeseung murmured against your neck, his lips dragging down your throat. "Teasing, pulling away, letting us taste you and then leaving"
You shivered. Hated that you did.
"You think we didn't notice?" Riki's voice came from the other side, his mouth suddenly at your jaw "You think we didn't talk about it?"
Your breath caught "Talk about what?"
"About how you want us to take it" Heeseung said. "How you want us to stop asking and just take"
You opened your mouth to deny it.
Hard. Demanding. His tongue sliding against yours before you could breathe, his hands gripped your waist like he'd never let go.
When he pulled back, you gasped.
Heeseung didn't wait. He turned your face toward him and kissed you slower, deeper, like he had all night. His teeth scraped your bottom lip. You felt it everywhere.
"See?" Heeseung whispered against your mouth. "That's not a girl who wants to be asked"
Clothes came off in pieces.
Your top first. Heeseung unbuttoned it slow, one button at a time, watching your face the whole way. Riki's hands slid up your bare back, fingers tracing your spine.
You hesitated. Just for a second.
Heeseung's hand closed around the back of your neck, gentle but firm "You heard him"
The shelf dug into your front. Riki pressed against your back, his chest warm, his belt buckle cool against your skin. Heeseung knelt in front of you.
You looked down at him, hair falling over his eyes, lips parting as he looked up at you like you were something to be worshipped and devoured at the same time.
"You're so fucking pretty like this" he said, his hands running up your thighs "All that sass gone quiet"
You forced yourself to smirk "Give me a second, I'll think of something"
He grinned, bit the inside of your thigh.
You cursed. Riki laughed behind you.
Kisses up your inner thighs, slow and wet, his fingers pressing into your hips holding you open. Riki's hands roamed your body from behind your stomach, your ribs, cupping your breasts, thumbs brushing your nipples until you arched back into him.
"You feel that?" Riki murmured in your ear "You feel how hard he's trying not to rush?"
You did. You felt everything.
Heeseung's tongue finally found you. You choked on a moan, your hand flying to his hair, gripping tight.
He hummed against you. The vibration made your knees buckle. Riki held you up, arms locked around your waist.
"She's close already" Riki observed, amused "That's embarrassing"
Heeseung pulled back just enough to speak. His lips were wet "Make her beg"
You wanted to refuse. Wanted to bite back something clever.
But Riki chose that moment to bite your shoulder, and Heeseung chose that moment to slide two fingers inside you, and your brain stopped working.
"Please" you heard yourself say. Hated it. Wanted more.
"Louder, pretty" Heeseung said.
Heeseung's fingers curled inside you, his tongue flat against your clit. Riki's hands pinched your nipples, twisted, pulled. You were crying out now, not caring who heard, the shelves rattling every time you jerked.
When you came, it was messy. Loud. Your whole body shaking between them.
Riki held you through it. Heeseung worked you through it, not stopping until you pushed at his shoulder, overstimulated and gasping.
"Good girl" Heeseung said, wiping his mouth with the back of his hand.
You slumped back against Riki, chest heaving "I hate you both"
"No you don't" Riki said, his hands sliding down your stomach, between your legs. You were still sensitive, flinched when his fingers brushed you "You love it. You love us"
You didn't say no either.
Heeseung stood, unbuckled his belt. Riki turned you around, lifted you onto the shelf. You wrapped your legs around his waist before he even asked.
Not gentle, not slow. Exactly what you'd been asking for with every smirk and every time you'd walked away.
Heeseung came up behind you, pressed against your back, his hands covering yours where you gripped the shelf, his mouth finding your ear.
"You feel how hard he is for you?" he whispered "How long he's been waiting?"
You couldn't answer. Riki was hitting something inside you that made you see stars.
Heeseung's hand slid around your throat, not squeezing. Just there. Claiming.
"Now you're going to come again" he said "And then you're going to tell us you're ours"
You tried to shake your head.
Riki snapped his hips harder. You moaned so loud it echoed.
"Yes, pretty" Heeseung said against your skin "Just like that"
You came again with Heeseung's hand on your throat and Riki's name on your lips.
Heeseung pulled you off the shelf, turned you around, bent you over it. You felt him push inside you from behind while Riki watched.
"Look at her" Riki said, palming himself, watching your face "Look how wrecked she is"
You wanted to say something cutting. Instead, you just moaned as Heeseung fucked you rough and deep.
"You're gonna take both of us" Heeseung said "Aren't you, baby"
You nodded into the shelf.
"Words, pretty" Riki said.
After he finished, pulling out slowly making you whimper at the loss, you thought maybe you were done.
Riki grabbed your wrist and pulled you up from the shelf. Your legs were shaking, your lipstick was smeared across your chin. You'd never felt more wrecked in your entire life.
"Sit" Riki said, pushing you gently down onto your knees.
You looked up at him, then at Heeseung, who was already stepping closer, cock in his hand, still hard.
"Your turn, baby" Heeseung said "You think we're the only ones who do the work?"
You should have been annoyed. Should have snapped back.
Instead, you reached for Riki first.
Wrapped your fingers around the base of him, looked up through your lashes. Watched his composure crack.
"You wanna be in control so bad" you murmured "But look at you. You're already shaking, ki"
Riki's jaw tightened. His hand came down on the back of your head, not shoving, just resting there "Talk less"
You smiled. Then took him into your mouth.
Riki's head fell back against the shelf. A low groan escaped his throat, the kind he'd been holding in all night.
You took your time. Swirled your tongue. Dragged your lips up slow, then back down fast. Your hand worked what your mouth couldn't fit.
"Fuck" he breathed, his fingers tightening in your hair "Just like that. Yeah—"
Behind you, Heeseung moved closer. You felt his thighs against your back, his cock pressing against your shoulder.
"Don't forget about me, pretty" he said. Not a request.
You pulled off Riki with a wet pop, turned your head, took Heeseung into your mouth without breaking eye contact.
He hissed. His hand joined Riki's in your hair.
You let them guide you, back and forth. Riki's taste, then Heeseung's. Salty and warm and theirs.
"You're so good at this" Riki muttered, his hips bucking forward "Been thinking about your mouth for days—"
"Me too" Heeseung admitted, voice rougher now. "Wondering if you'd look up at us like that"
You did. Looked up at both of them, eyes wet, lips swollen, drool trailing down your chin.
You'd never felt more powerful in your life.
Riki came first, pulled your hair gently, tried to warn you, but you didn't pull away. Swallowed. Kept your eyes on his face as he shuddered.
"Jesus" he whispered, sliding down the wall to sit on the floor, boneless.
You turned to Heeseung, wrapped your lips around him again, bobbed your head faster, hand pumping what you couldn't reach.
Heeseung's composure finally broke. His hips stuttered, his hand clenched in your hair.
He came on your tongue with a broken sound you'd never heard from him before. You swallowed that too.
Then sat back on your heels, wiped your mouth with the back of your hand. Smiled.
Neither of them could speak. Riki just stared at you like you'd rearranged his entire brain. Heeseung dropped to his knees in front of you and kissed you hard, tasting himself on your lips.
After, you didn't know how much later, you were sandwiched between them on the floor of the storage closet.
Your dress was ruined. Your makeup was gone. Your thighs were sore. Your jaw ached.
Riki traced patterns on your stomach. Heeseung played with your hair.
"That guy from earlier" Riki said. "What was his name?"
You snorted. "Possessive"
Because he was right. You liked all of it. Liked them.
Maybe more than you'd ever admit out loud.
You rolled your eyes. But you were smiling.
And when Heeseung pulled you closer and Riki pressed a kiss to your shoulder, you let yourself have it.
The three of you. The dark. The distant echo of music.
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