Relationship: Professor!Kuroo Tetsurou x UniStudent!Reader
Tags: Professor Kuroo Tetsurou, Alternate Universe - College/University, College | University Student Reader-Insert, Female Reader-Insert, Reader-Insert, Cis Female Reader-Insert, Smut, Shameless Smut, No Plot/Plotless, chemistry class, Kissing, Rough Kissing, Oral Sex, Rough Oral Sex, Squirting and Vaginal Ejaculation, Vaginal Fingering, Vaginal Sex, Explicit Sexual Content, Explicit Language, Explicit Consent
Word Count: 3,215 words
The hourly chime of the elder clock strikes, every student begins to pack their belongings and race to the door to escape Professor Kuroos’ lab. Many don’t wait for his dismissal and just rush through, [y/n], however, takes her time, awaiting the instructions of the tall, handsome teacher. His eyes dart to those who try to escape and rolls them, sighing loudly at the rejection he gets.
“To those who have stayed to let me finish my sentence, the assignment task will be uploaded tonight and be due by Monday. It is only one sheet, so I’m sure it won’t take long. Anyway, that is time, so feel free to leave.” The later bunch begin to do so, packing their belongings and heading out of class. “Except you, Miss [y/n]. I need to discuss some things with you.” Slithers of worry dripped down her back, sweat pricking her palms, and a stone-still breath when she hears her name. Her eyes gaze up and meet with his, before she glances away and continues to pack her belongings. Hastily waiting for the others to leave, she stays at her lab table before standing with her bag and making it to his desk. Professor Kuroo stands at the door, waiting for the last person to leave before closing it behind him, then takes a seat and adjusts his glasses to examine the paper in front of him.
“Is something wrong with my answers?” [y/n] asks, trying to peer over the paper to see her result, but Professor Kuroo is too fast and hides to it his chest.
“A drug, first used for pregnancy, and now used as the example for stereochemistry disaster.”
He lays the paper down on the page, showing a perfect score circled in red, before standing from his chair. Taking one step from his chair, he stands directly in front of her, peering down into her eyes with curiosity and pure concealed astonishment.
“We aren’t meant to know that until the next semester. Do you study the syllabus”
“Well, that explains why you’re so smart and doing amazingly well in my class. You know, I’ve had practically every student come up to me and ask questions but you. I understand why now, it’s because you’re a smartass.”
[y/n]’s eyebrows scrunch at the accusation. Her mouth dropping with surprise, with a hint of amusement.
“I’m sorry?” She wants to make sure she heard him correctly. No teacher has ever spoken this way to her.
“Don’t worry, I was too, a bit. I enjoy learning but I didn’t do it to get the professors’ attention.”
“I’m not doing anything to get your attention.” She defends herself, now sharing a smile with him. She can’t hide the humour in this and can’t deny how she’s always wanted to talk with him more.
“Sure, you’re not.” He takes a step forward, closing in on his range to her. Her face of guilt-ridden smiles confirms his statement but he second guesses himself internally. Retreating from her and to his desk, an envelope is taken out and placed beside her graded page.
“Dear Kuroo, I’ve had feelings for you for a while now and I wanted to write them down because it’s a way to explain my thoughts and process them. Finding that you’ve spoken about me to others, with high appraisal, makes me like you more—”
[y/n] takes the page from his hand, snatching it to crumpled paper.
“Where the hell did you get that?”
Professor Kuroo’s hand takes her wrist, pulling her in closer, to retrieve the stolen paper, but with his pull, she comes forth too. Mere centimetres apart, holding eye contact, with rages of heat spreading like wildfire against her cheeks, [y/n] is determined to know where the page came from and how he got his hands on it. His fingers lace around the paper, her grip loosening, and takes it for himself. Reaching his hand high above her head, and being released from his grasp, [y/n] jumps once to get it from him. However, it is of no use to waste her energy on this childish act.
“Where did you get it, Kuroo?”
“Wow, I guess I’m not your professor right now?”
On her tippy-toes, [y/n] tries to reach for it once more before turning around and facing her back to him. Frustrated, embarrassed, and mortified, she didn’t want to continue this with these feelings.
“Fine, I admit it. I wrote whatever is on there.”
“Look me in the eyes and say it.”
“Why? I don’t think I have to. Aren’t you smart enough to realise it?”
The click of his dress shows clack against the floor, and a shadow begins to loom over her body. His chest barely touches her, only an inkling to turn around wriggles within. Seconds pass between the two, both not making a move, and [y/n] becoming increasingly more flustered.
“Is it bad if I wrote that?” [y/n] asks quietly, still not facing him.
Kuroo seems to be taking too long to answer for [y/n], so she swivels herself around to face him. His face parallel to hers, nose to nose they are. Tensions rise in the atmosphere, eyes studying one another, his finger going below her chin and tilting her face upwards.
“It’s taken you some time, [y/n].” His voice deep and sultry, teasing her to talk.
His lips, suddenly, capture hers, reviling in a deep kiss. Her eyes widen at the contact, but melt when she realises what’s occurring, her hands moving to cradle him closer, wrapping them around and pulling him in. The paper falls to the floor, as does her bag, and the two passionately bathe in this heated moment before he breaks the kiss. A pant leaves his mouth, smiling down at [y/n].
“Is it bad that I kissed you?” He smirks.
“Only if you don’t do more to me.” She teases back.
With that permission, Kuroo wraps his arms around her, lifting her frame onto the side of the desk. His knees spread her legs, wanting to closer himself, the feel of her is what he craves, and his lips latched back with desire. Teasing his tongue across her bottom lip, he doesn’t wait for permission to take what he wants, and [y/n] eagerly invites. Kuroo’s hands begin to skim the edge of her shirt before placing them against the skin. [y/n]’s fingers whisk around his red tie, pulling it further into her being, wanting more of him on her. Her index flicks the button, and quickly her fingers match around with fire to undo his dress shirt.
“On the desk, huh?” He breaks the kiss to tease, smirking after his sentence.
“Yes, and I want it.” [y/n] states, undoing his shirt more, and Kuroo tugs once at the tie to loosen it off his collar. Fiercely ravishing her lips, once again, moans escape her mouth with his passion electrifying her body. Heat steams between the two, his hands moving up to her mid-back, before cupping around the front, up to her chest. Squeezing with excitement, his hands return to her back and edge the seam of her shirt before lifting it off of her. As soon as the fabric passes her eyes, his lips collide back with lust and greed, pressing her closely as he discards the clothes to the floor. The buttons undo on his dress shirt, and meets with [y/n]’s on the floor. [y/n]’s hands creep around the band of his pants, before hooking her index’s around the belt loops and pull his pelvis forward.
“Really wanting me, huh?” He breaks the kiss to speak, his hands moving down to her pants to take off. Unbuttoning with speed, [y/n] shimmies them off with the help of Kuroo’s hands, before being slowly manoeuvred to lay onto the desk. Before her back lands, his fingers snap the clasp of the bra, undoing it, and leaves the piece on her. Wanting her to feel comfortable enough to remove it herself, his kisses begin to drift down her mouth to her jaw, sucking and teasing with his teeth lightly before making it to her neck.
“I should mark you right now.” He playfully threats.
“What’s stopping you?” [y/n] responds.
His lips forward and his teeth lightly sink into her skin before sucking tightly, wanting his presence on her to be know, and licks pleasantly, until he feels like it will stay long enough for his satisfaction. Passing further down, his lips brush against the upper skin of her breasts, planting kisses softly before moving to her stomach and pressing more heated ones. His lips meet with the band of her underwear, placing kisses above to tease, [y/n]’s hand goes to his hair, running it through to get a firm grip. With the tug of his hair, he groans lowly against her skin, enjoying the sensation she gives. The fabric tempts Kuroo’s fingers dangerously, causing them to grasp her hips with strength, and his teeth to bite the fabric to jolt down with ambition.
Ripping of fabric against her thigh was unexpected, causing [y/n] to crutch herself on her elbows, to view down at the man between her legs. Her thighs are hoisted onto his shoulders, the underwear sliding down to the back of his head, with his hand’s assistance, and dangles down near her ankles. Kuroo can’t focus on anything but her cunt, enjoying the scene of her ready and wet pussy.
“You okay with this, angel?” He peers from his perfect view up to [y/n].
“ ‘angel’?” She questions, a smile appearing on her lips.
“You are an angel to me.”
With her permission, his flat tongue drags from her rear to the top of her cunt, causing a guttural moan to release from her. Throbbing with anticipation, her legs spread further apart, allowing him closer, and his tongue begins to circle her clit with speed. Laying back onto the wooden desk, her hands feel along her body until they reach his hair. Her hand tightens through his black strands, wanting him to continue this arousing motion. Pleasure radiates throughout her body, her other hand moving to her nipple, underneath her bra, to stimulate more. [y/n]’s hand releases from Kuroo’s hair and proceeds to remove her undone bra and chucks it to her floor. Kuroo’s eyes meet with her upper body to witness her pleasuring herself, to which his cock spasms with readiness and want.
Moans stifle through [y/n]’s mouth, wanting this pleasure to be never-ending. Kuroo’s fingers slide along her cunt, wetting them, and inserting into [y/n]. Quickly curving his fingers, he spasms against her soft spot, hitting it perfectly, and causing [y/n] to arch her hips more. Ramming in there with speed and passion, her climax begins to build suddenly, her body filling with arousal as Kuroo’s tongue and lips satisfy her clit.
The orgasm was becoming too sudden and potentially too severe, wanting to feel him more and for the pleasure not to end, [y/n] tries to hold it, letting her hands fall to the sides of her body and brace herself but she can’t help. Such erotic euphoria spills throughout her body as she finishes on his fingers, his hands continuing the same pace to have her aroused. He moans as wetness begins to spill out onto his fingers, a spray of liquid entering his mouth and onto his chin. Unexpecting of the sudden squirt, he moans against [y/n], having her feel more sensitive as her orgasm begins to dwindle down.
Kuroo’s hands still work inside her, pushing against her g-spot, burning more pleasure within her. His fingers slowly work down to a stop, before taking his mouth off of her and removing his fingers. A sopping chin, that drips to the floor below, and a dampened chest, Kuroo loves how [y/n] is reacting to him and wants more of it. His glasses have speckles of her remanence on them. “You’ve gotten me all wet, I love it.” He says, taking the back of his hand to wipe his face. Hovering over her body, placing himself on top of her to kiss, [y/n] moans aggressively against his lips as they meet. His damp chin is nice against her face, and the smell of herself is arousing to have on his face. Detaching from her lips, he kisses slowly down her neck before making it to her nipple and licking playfully, before taking his lips around and sucking tightly. Using his other hand to pleasure her other, [y/n]’s back arches with desire, Kuroo’s tongue works wonders against her hardened skin and continues to toy with her.
Moving his hand from her nipple down to her hips, his other joins on the other side, and he pulls her quickly, placing the lower part of her ass to hang off the table. A small squeal escapes her mouth, and he moves back up to kiss her deeply and sensually.
“You ready?” He breaks the kiss.
“Good. That’s very good.” His hands leave to undo his belt, the sounds of metal clanging echoes in the empty room.
Kuroo’s hands begin to stroke up and down on his cock, wetting it with [y/n]’s cum, and begins to slide his cock up and down her cunt. Teasing her greatly, he bends down to kiss her, as a smirk adorns his lips. Proud of himself for the way she so clearly needs his cock, she pushes him back gently, her hands against his chest and standing to her feet, in the complete nude. Unsure of what she is doing, Kuroo takes a step back, and [y/n] begins to smile.
Dipping down to her knees, her mouth is so close to his raging cock. Now understanding why she pushed him back, [y/n] smiles up at him, before lazily letting her tongue range from base to tip. Kuroo’s hips tremor slightly, his hand going to her head and holding the hair kindly. Going once more, from base to tip, her tongue swirls on the reddened head to tease him back. Kuroo’s grip strengthens against her scalp, but she stops as he does so.
“Okay, you can fuck me now.” She hops back onto the table, her legs dangling off and her hips spreading herself apart.
“You tease me, I tease you.” She retorts, and Kuroo loves it.
His hands slowly wrap around her hips, hoisting them closer to him, and takes a step forward. Rubbing himself against her, his cock twitches with want and need. His cock breaches her cunt, pushing slowly into the hole, and a groan leaves his lips suddenly. [y/n] sees him enter and a moan leaves her mouth, causing her to lean back onto the desk. Once fully in, he rests, taking his lips to hers once more and kissing fiercely. Almost taking his cock out, he re-enters and gradually builds up to a continual thrust. Pacing himself, he takes his lips away from [y/n], furthering down her body and captures her neck, giving it another love bite. Moans and groans leave the two, [y/n] loving his thrusts, hitting her in the perfect spot, and making her mouth open with pleasure.
“You’re so good.” He whimpers against her neck, his hands clutching around her hips. His pace begins to quicken, his breathes are shuttered and jagged, coming in rapid pace. His eyes squeeze close for a moment, before relishing the view beneath him. His left hand moves up to [y/n]’s nipple, twisting and pleasuring it between his index and thumb, and the right hand moves down towards her clit. However, Kuroo slows his pace to enjoy the sight below.
His fingers move in circles, rolling the sensitive parts in unison and [y/n] feels her orgasm build quickly. [y/n]’s hand moves to the wrist closest to her, clutching it as she feels the desire climbing up from her cunt. The development of her orgasm is much quicker than anticipated, and unlike the last. It pulsates throughout before taking over her body, causing her to squirm with pure pleasure, and her hips to ride of the orgasm her gives with delight written across his face.
Soon the high is gone, and Kuroo begins to thrust in deeper and harder than before. His hands return to the side of her hips, slamming into her with such speed and power. [y/n] almost screams as he does, her pleasure overstimulating her entire body, and Kuroo watches her face. His eyes close for a moment, sucking in a breath quickly, before looking below him and seeing himself enter into her, watching how his pleasure was made in her. Seeing himself do that, he leans back over [y/n], and plants a kiss on her chest, before continuing his thrusts.
Groans begins to slip out of his mouth, his eyebrows softening, and his face unstiffening. He unravels whilst inside her, as [y/n] continues to see how beautiful he is. Locking eyes with each other, his brown eyes can’t stay long and shut again, his thrusts and deeper and he keeps at the pace. Barely able to mutter something, a moan slips from his mouth uncontrollably, and [y/n] can see his ab muscles stiffen and flex. Knowing Kuroo was about to finish makes her squeeze around him once more, and hot liquid, then, begins to spill from cock. Continually thrusting inside, the cum seeps into her cunt, and overflows from how much she had finished before.
His thrusts begin to soften and slow, jagged breaths becoming fast and almost gasping. His hands move from her sides, and he bends down to kiss her. Kuroo’s hands place themselves on either side of her face, cupping her cheeks, and connecting his lips to hers with so much lust and enjoyment. Gratitude could be felt, the way his lips softly press against hers before slowly moving his tongue across her bottom lip to enter in and lick her tongue.
Dazed with amazement, [y/n] reciprocates lazily, before Kuroo breaks the kiss.
“You were so good, angel.”
“I think it’s now ‘Tetsurou’ to you, [y/n].”
He catches his breath before clutching himself with his hands on either side of [y/n]’s body, and slowly taking himself out of her. Cum drips from the two, Kuroo’s cock covered in the whitened substance. [y/n] begins to rise up with him, taking herself off the table and her knees to the floor again. Gripping her hand around his dripping cock, she licks up from the base to the tip, a draw of cum stringing from her lips to the tip. Kuroo throws his head back with pure delight, witnessing [y/n] do that makes him beyond aroused once more.
Taking her entire mouth around, in one swift motion, Kuroo looks down at the beautiful view below, and [y/n] licks off the cum from around his cock. Kuroo’s hand reaches out to help her stand, and [y/n] takes it, letting her thumb curl in the drop of cum left on her lip.
“I’m taking you back to my place and we are doing this again, angel.”
“I was counting on it, Tetsurou.”
“And you better tell me where you got that paper.”
