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Be Careful What You Wish For

Bottom!FTM!3rd Year Kenma x Top!Masc!Teacher Reader

[Series] | AFAB Language Used | might be OOC

Contains: CNC + Non-Con, Rough Sex, Sir Kink, Dom/Sub, Hair Pulling, Choking, Window Sex, Slapping, Slut Shaming, Degrading

Words: 1,653 | Reader Discretion is Advised

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Kenma looks at you with that look, the kind of look that no one would be able to mistake as anything other than flirting. Looking up at you with half lidded eyes, slightly biting his lip while tracing the indent of his desk.

You'd be lying if you said that look wasn't tempting. God knows how badly you want to ruin this boy, destroy his confident and flirty demeanor and make him cry. You don't even know where he got it from, he usually keeps to himself. You wonder if he learned it from somewhere or if he just recently showed his true colors.

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It gets hard to hold back when Kenma purposely tries to get detention.

He flings a pen at the back of your head and smiles.

"Kozume." You cross your arms. "What's your problem?"

He shrugs. "Sorry sir."

You sigh and brush it off, turning back around to erase the board. He flings two more pens at you.

"See me after class." You say sternly, picking the pens up and placing them at his desk. "I don't think you want to know what'll happen if you keep this up." You lower your voice so only Kenma can hear.

He holds back a moan and rubs his thighs together, staring at you with clear and undeniable lust but you manage to ignore it.

Kenma waits at his desk until the last student leaves and immediately goes up to yours.

"I'm considering transferring you out of my class."

Kenma's eyes widen. "No- why?!"

"You know why, Kozume. I don't think you're learning properly in my class either, you don't pay attention."

"I'll be good sir, please! I'll stop I promise." He frowns. "I'll be a good boy for you.."

You sigh heavily, trying to ignore how attractive that sounds. "I don't know. I really don't think you should be in my class anymore."

"Are you worried you're going to make a move on me?" He looks at you shyly. "I'll let you do whatever you want to me, so don't worry.."

"I have every right to call your parents and arrange a meeting with the principal, I am not going to do anything with you."

Kenma climbs onto your lap and wraps his arms around your neck, his lips dangerously close to your ear. "Don't you want to have your way with me, sir?" He grinds down onto your crotch.

Your breathing becomes ragged as he speeds up and whispers more dirty things into your ear. "I know you've fantasized about it, I know you wanna be inside me."

You grab his hips. "Fine. You win." You pull his cardigan over his head and rip his collared shirt open, buttons flying everywhere.

Kenma gasps and quickly unbuckles his belt, you help him tug his pants and underwear off. His wet cunt dampens your pants.

He unbuckles your belt next with much more vigor, messily unzipping your fly and pulling your pants down. He basically drools at the sight of your hard length in your boxers.

Kenma tugs it off and moans. Your hands find their place on his hips and lift him up, slowly pushing your tip inside him before slamming him down.

Kenma covers his mouth in shock, almost having an orgasm.

"Start moving."

Kenma barely processes what you said, completely consumed by euphoria.

You slap him. "I said start moving, bitch."

He whimpers and starts riding you, gripping your shoulders for balance. You stick your fingers into his mouth and he gladly sucks on them.

"Say thank you."

"Thank you sh- sir~"

"For what?"

"Fo- for fuh- fuckinggh~ me~"

"I'm not fucking you, baby."

"Hhng~ thank yo- you for let uh~ letting me fuc- fuck myself on- on your c- thi- thick cock~"

"That's right, making a mess of yourself on my cock and only caring about your pleasure."

Kenma notices your unamused expression and stops.

You pull your fingers out of his mouth and slap him, the wetness making it hurt more. "I didn't say stop."

Kenma goes back to bouncing, on the verge of tears. "Sorry- 'M sorry~!"

"You're such an ugly crier, makes me want to hurt you more." You slap him again.

"Ah-" Kenma squeaks. "Hu- hurts~"

"Not what you expected, slut?" You pick him up and lay him down on the desk, finally showing him how it feels to be fucked. "And what do you say now?"

"Th~ thank you~ fo- for fucking me~ sir~!" He sobs happily.

You spit on his chest, slapping it and making him mewl. "Such a loud little bitch, want your other teachers to see you whoring yourself out for me?"

Kenma tries to cover his mouth but you hold his hands apart.

"St- stop~! Ple- please!" He sobs loudly, unable to hold back his moans. He doesn't want you to stop but he can't get caught.

"How will your parents react? Finding out you seduced your teacher instead of focusing on your studies."

"Sir- sir~!"

"What'll they think when you end up pregnant too?"

Kenma's eyes widen. "Please no! I'm beh- begging you~!"

"But you came to me, acting like a slut, saying you'd let me do whatever I wanted but now you're upset? Now you don't want it?"

"In- in my mou- mouth ple- please~!"

You roll your eyes and pull out. "Get on your knees, right now."

Kenma scrambles to get on the ground, head fuzzy and body weak. He kneels in front of you and opens his mouth, hoping you'll just shove it in his mouth or jerk yourself off.

You grab the back of his hair and force his mouth to swallow your cock, tugging him back and forth as you reach your completion.

He looks up at you with tears in his eyes. You can't tell if he's enjoying himself or if he absolutely hates it.

You shrug off the thought and release into his throat, he quickly swallows it. And again, you can't tell if it's because he wants to swallow it or because he thinks he'll get punished for not doing it.

"And what do you say?"

"Thank you for coming inside my mouth, sir." He looks up at you sweetly.

You pick him up by his hair and drag him to the open window, slamming his bare body against the cold glass.

Kenma looks down in horror, anyone could see him right now. That is if they had a camera that could zoom very well, since it's the third floor, which hopefully is unlikely.

"I'm not done here so you better shut the fuck up and take it like a good little whore."

Kenma moans. "Yes, sir."

You scoff, of course he's enjoying this. "Fucking slut." You enter him again, slower than before.

He giggles. "I'm such a fucking slut, sir~"

"You were pretending earlier, weren't you?"

He smirks. "Sort of. It turns you on though, right?"

Your hand creeps up onto his throat and grips it lightly. "If we're going to play that kind of game, just know that I won't stop until I'm satisfied. Even when you're crying and genuinely begging for me to stop, I won't."

Kenma moans and shivers. "Yes sir~"

"And don't worry, I won't come inside." You lie.

Kenma sighs in relief. "Thank you sir.."

Without warning, you tighten your grip on his neck and start thrusting. Kenma quickly turns into a moaning mess.

"Oh god~! So- ugh~ good~!" He rolls his eyes back.

"Can I tell you something, Kozume?" Your breath is cool against his ear.

"Yesh~"

"I love fucking 3rd years, you all are so fucking tight and inexperienced. So fucking easy to ruin before they can even graduate and meet a nice guy." You groan in his ear. "On the cusp of adulthood but still retaining their innocence, so easy to mold."

Kenma whines, hating that he's not the first student you've had sex with.

"So submissive and easy to manipulate too, I could ask you to drop out and marry me and you would, wouldn't you?"

Kenma nods the best he can with your hand wrapped around his throat. "Wan- wanna be your wif- wife~"

"Aw, you wanna be my wife?" You say mockingly. "Y'know, it might actually suit you better since you're such a fucking cock slut."

"Ph- please~ sir~"

"Whore."

Kenma mewls in surprise at the chilling tone in your voice. His back arches against your chest as he comes.

"Look at yourself, you're having an orgasm because I called you a whore! And you think you should be my wife." You laugh.

Kenma sobs. "I'm sor- sorry-"

You pull out and turn him around before resuming your rhythm. "You're only good for being a living sex toy, don't get ahead of yourself."

"'M sorry sir~" He almost chokes on his tears. "'M just a se- sex toy~"

"That's right, just a stupid doll." You speed up your thrusts. "And this stupid doll is gonna let me come inside it, right?"

Kenma shakes his head rapidly. "No! No! Please! You pr- promised!"

You ignore his desperate begging and keep fucking him, adjusting his position so that you reach him deeper.

"Sto- stop! Pl- pleas-" His eyes widen when he feels your cum enter him. "No- I-"

"Say thank you."

Kenma shakes his head. "Please pull out!"

"Say it, bitch." You slap him.

"Than- thank you! For co- comin- coming insi- inside me sir!" He says in between sniffles and sobs.

"Good boy." You pull out of him and let him drop to the floor. You watch as he weakly tumbles to your desk to get tissues.

"Don't want this anymore?" You ask.

"Want it...I want it.." Kenma sniffles as he tries to clean out the cum. "But I can't- I don't want to be pregnant-"

"You're so cute, you're making me want to come inside you even more."

Kenma looks up at you in fear. "Please...please don't!"

Hi i really loved ur content about submissive Kenma. Can u write a fic about kenma again🥺🥺 like the reader was so jealous because some ramdom girl is flirting with kenma. Thats why she ended up fucking him all night u knaurr

jealousy, jealousy | sub!kenma kozume

wc: 1k+ words | masterlist

dom!reader, pegging, possessiveness/jealously, begging, jealous sex, aftercare is mentioned though its not written, established relationship, slight crying

note : oh my god thank you! 😳

and im sorry but i forgot to write how the reader kept fucking him all night :,)

"Oh hello~ you're rather cute, aren't you?" You ignore the voice, thinking it was just a girl hitting on a random person. That's until you hear the high pitched voice again asking the person for their number, except it was closer this time and a familiar voice answers afterwards.

"N-No thanks... I'm not i-interested.."

You stray your attention from the item in your hand to the familiar voice and furrow your eyebrows when you see the scene.

Kenma, who's your boyfriend to make it clear, being flirted on by this clueless girl who, though he denied her advances once already, thinks she still has a shot and keeps on trying to talk to him. She's getting rather close to him too, making him have to take small steps backward in order to keep the distance between them comfortable, a slight blush on his cheeks.

You feel anger bubble up inside your body as you furrow your eyebrows, glaring at the girl. You know the emotion you're currently feeling loud and clear: jealously.

Knowing how Kenma hates being social and would rather stay inside and play video games over anything else, your boyfriend is probably hating all the attention that he is currently getting from her. Hell, judging by the facial expression he has on it seems that he would rather be anywhere else than at that very spot.

Having dated him for a while now, you know the poor boy won't find it in him to be able to find the words to shut her down directly. That's where you come in.

Taking a few deep breaths, you calm yourself down before you mindlessly do something you would regret. Walking towards the two, Kenma sees you and his eyes immediately light up, begging you to help him out of the situation.

Grabbing his hand more harsher than you meant, you immediately begin walking towards the cashier section while completely ignoring the girl right there.

"C'mon, babe. I'm done getting everything."

Kenma blushes at the venom in your tone. He could feel the jealousy radiating off you and honestly? It's rather hot.

But he can't help but be nervous about what's going to happen to him.

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"P-Please! i'm s-sorry!" He lets out another sob as you hit all the right spots in him with your strap. Due to the sheer size of it, it fills him up almost too perfectly, making him whine and whimper underneath you as you continue to pound his insides.

Tears brim his eyes as you brutally fuck him stupid. All he can do is lay there as pleasure courses through his body in waves making him unable to do anything without being shocked with pleasure seconds later. He's a pillow princess, really, but oh do you love it.

Mere minutes if not seconds after you entered the shared apartment between you two do you already have him trapped on the bed underneath you, one of your biggest straps entering and exiting him easily and quickly due to prep. His top half is still covered by a hoodie as you were too focused on revealing his bottom half.

"Oh don't worry, baby." You clench your teeth. Your thighs are absolutely burning but you don't dare stopping for even a second. You remember how touchy the girl was being with Kenma and you speed up your thrusts even more, jealously fueling your adrenaline. "I know you're sorry. Just gotta make sure that the next time that girl sees you-," you start to say. "Well the next time anyone has their eye on you, they'll see the hickeys on your neck and decide to leave what what's mine alone."

A shiver runs down Kenma's spine as your possessiveness makes blood run far down his body. His hands make its way into your back, latching on and digging his nails into your skin, making you hiss from the slight pain it causes. The grip you have on his hips is hard enough to leave a mark but it allows you to easily fuck in and out of him and be able to control the pace.

"You're mine, yeah? No one else's. Mine."

He whimpers as a particular thrust of your strap has him arching his back and letting out a almost pornographic moan. Fuck, he looks absolutely breathtaking right now.

"Y-Yes- fuck! I'm y-yours."

You latch your teeth onto his neck and bite down, making Kenma mewl out from the slight pain. Making sure to leave a few more bite marks and love bites, you lick a few to soothe the pain. You don't care if they only stay for a few days, knowing you would leave more in the near future.

"Fuck- i'm close!"

With that information, you switch from quick, hard thrusts to slower, deeper ones that make Kenma's toes curl and eyes roll from the sheer pleasure he's feeling. He lets out another moan.

"Go on, baby. Cum for me, alright?"

And with that, Kenma lets loose. Whines, moans, and whimpers fill the room as your boyfriend stains the bed and his hoodie with cum. You continue slowly fucking him to ease him down from his high and Kenma whines from sensitivity when you pull out, leaving him to clench around nothing.

"Good boy," you say, kissing his cheek. He blushes red from the praise, almost as if you weren't fucking his brains out mere seconds ago. "You did so good for me." You're about to leave to clean him up until he grabs your arm, stopping you. You raise an eyebrow at him.

"Um... w-what about you though?" It takes a moment for you to process his question but once you do, you can't help but smile.

"Aw sweetie," you coo, making him blush even harder at the new pet name. "Don't worry about me, I'm just glad you enjoyed it."

As you go and get a wet towel to clean him up, he reaches to his neck and gently touches the hickeys and bite marks you've left there. Though it hurts as he slowly presses down on a bruise and he has to stop himself from letting out a whimper, he can't help but smile, a dark blush adorning his cheeks.

He's yours.

ty for reading to the end! ❤ - chaepink

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