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2021-03-09
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1/1
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impregnate me, nanami-sensei

Summary:

kento nanami is one of the hottest professors in your university. you've had a crush on him since forever, and may or may not have fantasized about him fucking you raw while he's right in front of you teaching you about integrals and derivatives.

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a nanami kento x female reader fic where he has a praise & breeding kink.

Notes:

hi! this is my first ever smut reader fic, so i would appreciate comments <3 all characters (there are only like 3, including nanami) are all 18+. i headcanoned the female reader is around 21 years old, and is a college senior.

i hope you enjoy reading this one!

this is especially dedicated to my boos at the cilf gc <3

Work Text:

It takes you a few moments to realize you’re naked. Blinking away the lethargy of sleep, you feel the steady, calming rhythm of someone’s breath down your neck. A few seconds pass before your eyes widen and it hit all at once – where you are, who you’re with, and what you did. You bite your lip, looking down at your exposed tits and slowly turning to look at the man beside you, his arm around your waist, eyes closed and sleeping peacefully.

Kento Nanami.

Your head starts spinning a little, slowly remembering all the events of last night.

At first you were still skeptical that he would actually show up, since as a professor you knew him to be quite strict and kind of a stickler for the rules. But you couldn’t help but hope – after all, you’ve had the biggest crush for this mathematics professor ever since you’ve attended his class last semester. He’s pretty known around the university, and really popular with women, but you’ve never heard anything about his love life or his sex life. So when he suddenly pops up on your dating app, you excitedly show your best friend, you laugh and joke around, asking them “you think it’s a poser?”. You’re still giggling when you swipe right, only to have your eyes widen when it actually turns out to be a match.

“What the fuck?” You whisper under your breath, trembling. You bite your lip, and borrowing some courage from a shot of vodka, you send him a message to ask him out for drinks. It wasn’t long before there’s a reply – a time and place. It was only 2 hours from then, and you almost start panicking. You worry about what to wear and if you’d have enough to do your make-up. Taking a deep breath, you try to relax, desperately willing to your nerves to calm themselves.

You didn’t know how, but somehow you were able to get yourself showered, done up, dressed up, and arriving at the place he texted you just at the right time. You look around to see where he could be, easily spotting his trademark polka dot tie. Wow, it’s really him. You bite your lip, thinking about the many fantasies you’ve had of him just tying you up on his bed using one of those ties. Mentally shaking your head, you plaster on a smile and head over to him. He returns the smile and hums a satisfied tune just as you reach him, his eyes flitting to the expensive watch on his wrist.

“Hmm, just in time. Perfect.” Something in that hum makes you swallow your spit, sucking in a deep breath. Fuck, you thought. Why is he so fucking sexy?

Time passes by with him buying you drinks and asking you questions about yourself. Every now and then he looks at you intently, smiling, and says, “You’re so pretty.” You immediately blush and smile nervously, and with the way he watches your reactions, he seems to enjoy it.

You weren’t really drunk, since you’ve only sipped at your drinks in between conversation, finding yourself talking more and more and opening up to the man before you, who seemed to be listening intently, eyes never leaving you.

It was now almost 11 pm, and you see Professor Nanami check his watch for a brief second. He finally leans over, tucking away some stray strands of hair behind your ear. He cocks his head to the side, a tiny amused smirk on his face at yet another blush from you. He presses closer, so he could whisper in your ear.

“So, what do you think? Your place, or mine?”

Your breath caught in your throat and you swallow, and you when you finally answered, you were not surprised to sound so breathless.

“Yours.”


“You know, I actually remember you,” he said, his left hand working on removing the knot of his tie, his watch glinting. You’re already sitting on his bed, watching his agonizingly slow movements. He stood before you, looking impossibly sexy without his usual shades on. You couldn’t wait for him to just rip off his shirt right then and just fuck you senseless. God knows you’re wet enough already, just watching his hands work on that fucking tie. But no, you’re forced to watch, his low voice making your head swim.

When you didn’t answer, he kept drawling on. “After all, it’s quite difficult to forget such a beautiful face.” His eyes rake over your entire body, the tie finally coming lose, his hands now working on unbuckling his belt. “And you looked like you were listening so well, too. Very attentive.” You find yourself nodding absently at that, similar to the way you do in class, and it makes a low chuckle escape Nanami’s mouth.

“Fuck, you’re adorable.” He licks his lips. “That’s exactly what you look like, when I’m doing my lectures. Were you really listening then?” he asks as he slowly unbuttons his shirt, waiting for an answer. You realize he has stopped moving, waiting. You realize he won’t continue undressing if you don’t answer.

“Yes, sir,” you finally croak out. That earns you a satisfied smirk from his lips. He must have liked you calling him sir, because he immediately pulls off his shirt, and tosses it aside. He only mutters, “very good,” before he gently pushes you down on his bed, his fingers on your thighs, slowly working their way up your dress, the tight material getting pushed up to reveal more and more of your legs. You feel goosebumps forming. You prop yourself up on your elbows to look at him, and he meets your eyes. “May I?” he asks, his fingers hooked on the sides of your lace underwear. You could already smell your own arousal, and he must too.

“Yes, sir. Please.

He hums in satisfaction, and in one quick motion, pulls off your panties. He pushes your legs apart, and you watch him lick his lips. His hands keep your legs open, and he places small, soft kisses on the inside of your thighs, getting closer and closer to your throbbing cunt, already dripping wet and aching, begging for his touch, his tongue, his cock – all of it.

Please.” You whine.

“Patience,” he answers simply in between small kisses. His hands were kneading the soft flesh of your thighs, and you can feel his hot breath near your aching core. Finally, you feel a soft wet kiss on your clit, followed by a long, hot swipe of his flattened tongue on your pussy.

Your audible gasp was so loud, you couldn’t help it. He begins to lick your cunt in earnest, every now and then humming deliciously against you. His left hand snakes around your thigh so his fingers could play with your engorged clit, his right hand pushing against your inner thigh. You feel the cold metal of his watch against your skin, and you sigh out, loving the sensation. He was lapping at your juices like a man starved, and your moans start to escalate.

His right hand finally moves, and reaches over to present two of his fingers to your open mouth. Not needing any instruction, you immediately lick and suck on his fingers, lapping at them obediently while he continued fucking your pussy with his tongue. Once he was satisfied with the amount of spit in his fingers, he unceremoniously thrusts them inside your waiting hole, and you moan out loud, slumping down on the bed. He fucks you with his fingers, his tongue licking at your clit, his fingers curling and probing, feeling around for that spot inside of you. When he finally finds it, you feel his fingers driving up a rhythm, hitting your g-spot repeatedly. It was driving you crazy. Your moans are louder, and you feel the warmth pooling inside of you, and you feel yourself getting closer and closer…

“Sir, sir, Nanami, please! Right there… don’t stop! Don’t stop- I-…” you trail off, desperately carding your fingers through his blonde hair, not even remembering when you started to reach for his head. His fingers are going faster and faster, hitting that same spot over and over, tongue never ending its assault on your clit. You close your eyes. You could already feel it… so close…

“Don’t… stop… Nanami…” you moan out desperately. “I’m gonna-…” Squeezing your eyes shut, you feel your release, the warmth gushing out of your hole. “I’m cumming!” You scream out, your legs shaking.

Nanami is merciless. He doesn’t stop pumping his fingers into your hole throughout your orgasm, and he only looks up at you for a brief second to say, “more,” before he plunges back in. He makes you cum another time, the second wave hitting faster than the first.

After the second orgasm, you lie limp on the bed, catching your breath. He smiles in satisfaction, standing over you.

“We’re not done yet,” he tells you, finally working his pants off him, his erection straining against his underwear. You sit up weakly, and slide down to the floor, kneeling. You wanted that huge cock inside your mouth. You could already feel yourself getting even more wet at the thought of it. You eagerly pull down his underwear, and you watch with awe as his huge erection sprang free, veins showing. You feel yourself drooling, and you waste no time gripping that hot, hard rod. Gathering saliva on your mouth, you look up to meet his eyes and slowly lick him from base to tip, before swallowing his entire length in one go. That earns you a groan, and the sound went straight to your pussy, gushing out more juice.

His left hand goes to grip your hair, and his hips are moving gently, matching your rhythm. “Fuck, yes, that’s it. Good girl,” he praises you, and you close your eyes, moaning against his dick in your mouth. Your hand snakes down to your wet cunt, and you play with it, letting him fuck your mouth in earnest, his grunts and moans making your cunt drip.

“You’re so fucking pretty,” he moans out, breathing uneven. “Such a good girl. I could tell, just from seeing you in the lecture hall. Sitting there.. ah—” he pumps into your mouth deep and forceful, pulling out slow and then thrusting back in deep, again and again, “—nodding your head along. Fuck.” He closes his eyes, and pulls himself out of your wet mouth, urging you to stand up, his hand pulling you up by your hair. His lips crash into your mouth, you moan out, tasting your own juices. His tongue starts invading your open mouth, while his hands made quick work of touching your dripping cunt and pulling down your dress just enough to reveal your tits. His slick-filled hand squeezes at your breasts, his movements getting more and more frantic. You move to pull at your dress, intending to take it off, but he stops you, breathing out, “No, keep it on. I can’t wait.” And he slams you down the bed on your back. He climbs in with you, spreading your legs apart, holding his cock at your entrance.

He doesn’t wait any longer. No more teasing, no more words. He plunges deep into your wet, waiting cunt, balls-deep, groaning. You gasp out, closing your eyes and enjoying the sensation of getting filled with his huge cock. It doesn’t take him long to start moving, thrusting into your pussy hard and deep, watching your face contorting in pleasure, and your tits bouncing with every plunge of his dick into your tight, slippery walls.

“Hmm, good girl. You’re taking my dick so well,” he croons at you, his thrusts getting faster and faster.

“Yes, yes, please, sir! More—ah—I want more…” you beg him.

“More?” he asks, his hand pulling at your leg and bringing it close to his mouth, kissing at your ankles, then your feet. “I didn’t know you were such a needy girl.”

His left hand was now on your cunt, his thumb rubbing against your clit as he fucks you, his rhythm unrelenting. You moan when he starts to play with your clit, and you feel yourself gushing more and more pussy juice like the slut you are. Every touch from this man was sending you haywire, goosebumps forming all over your skin and more slick leaking out of your swollen, needy cunt.

Your voice is getting louder and louder again, and you don’t even care if his neighbors hear you. Maybe tomorrow, everyone in the entire floor would talk about how good Nanami Kento must have fucked a woman for her to be screaming his name, again and again. You feel it coming again, your legs start to shake, and the warmth was pooling at your core again, waiting to be released.

“Faster! Faster! Fuck, I’m so close…so fucking clo—Nanami! Fuck…” He starts fucking you hard, deep, fast. He is grunting at the effort, beads of sweat falling from his forehead to your bouncing tits. You feel the orgasm rip through you again, and you scream so fucking loud, “Nanami!

His thrusts slows down as you come down from your high, but you notice he’s not done yet. With lust-clouded eyes you watch him, jaw set and teeth clenched. “It’s my turn now,” he tells you, pulling out, his hand stroking his slick-coated cock.

“Turn around and get that ass up for me.” The command in his voice thrills you, and you immediately do as he says, like the obedient whore you are. You feel the cold air on your wet slit, and you arch your back, presenting your ass to him, your face down on the bed, turning your head to the right so you can peek at his face.

“That’s right,” he encourages, left hand slapping the soft flesh of your ass. “You never disappoint, do you?” He croons again.  “That’s my good girl,” he sighs out as he sinks again into the inviting warmth of your walls, his eyes fluttering closed at the sensation. You moan out again, loving the new angle and the way his cock was hitting inside your pussy.

“Hmm, you feel so good.” You moan in response, closing your eyes again and giving into the pleasure. Your hard nipples are rubbing against the sheets, and you bite your lip.

“You’re taking my dick so fucking well.” He praises again, before his hands come down hard on your ass, slapping it so hard. “Good girl, ugh, so good.” He slaps you again, before he reaches out to pull your hair. You gasp at the pain but moan again feeling his hand snake around to pinch your nipple and squeeze you tits, the other still buried in your hair. He keeps pulling until his mouth is right next to your ear, his cock still pumping into you, his pace now slower, but deeper and harder with each thrust.

His hand slides down from your tits to play with your clit again, but only briefly. He slaps your pussy playfully, and whispers in your ear. “Don’t you think this perfect pussy would be even better with my cum inside?” You shiver at his words, whimpering. You nod your head enthusiastically. “Y-yes,” you answer, whispering back.

He groans, pushing you back down to all fours and gripping your waist so he can thrust into your pussy faster. “I’ll give you all my cum,” he promises, grunting. “You’ll have it so deep inside you.”

“Yes, yes!” you yelp out, feeling another orgasm building with his relentless thrusts. His hand starts to play with your clit yet again, somehow sensing you’re close again. It must be your walls tightening around him, milking his cock.

“You want my cum inside you?” he asks, panting slightly now, “Answer me!”

“Yes, yes, please!”

“Very good. Ah- good girl. Maybe I’ll make you pregnant, that’s your reward. Ah—so fucking good for me,” he was muttering, eyes closing. You could tell he was close by the way he was frantically thrusting into you.

“Hmm, yes sir. Make me pregnant. Want your cum.. inside… please…” you reply, spurring him on. You feel his grip on your waist tighten, and his hand on your clit frantically rubbing. You feel your orgasm finally rip through you once more, your legs shaking, your walls tightening, head spinning. The moment you scream his name, he is pushed over the edge, grunting loud as he pumped wave after wave of hot, heavy, thick cum inside your cunt.

You both collapse in exhaustion and post-orgasmic bliss, and you feel his weight on top of you as you lay face-down on the bed, but you didn’t mind. You were too spent, your mind and pussy still reeling from the best sex you’ve ever had in your life. Nanami was the first to come to his senses, getting up and placing a soft kiss on your shoulder before walking off to grab some towels to clean yourselves up with.

The rest was a blur of Nanami taking care of you, cleaning you up, helping you to the bathroom and out of the dress that was still on your midriff, and then guiding you back to the bed. You’re half-asleep by the time he returns from the bathroom. He climbs into the bed with you, hugging you close to him, and he kisses you on the shoulder once more, before whispering, “good night.”

That was the last thing you remember before you wake up, naked, next to Nanami fucking Kento, who just fucked his seed so deep inside your pussy that you actually wish he gets you pregnant.


“Good morning,” he greets you, eyes still half-closed.

“’Morning,” you replied, biting your lip and blushing again, remembering everything.

You remember your conversation with him last night, over drinks. Right before he asked whether you’d have sex at his place or yours, you assured him you’re clean, and he did too. And you told him you’re on birth control. Now you’re kind of wishing you weren’t.

“Breakfast?” he asks, eyebrows raised, watching you with a lazy smile on his face.

Your heart flutters and you allow yourself to hope. Maybe… just maybe, you’d actually bear his children in the future.