Request: I was wondering if you were alright with it, could you do a kenma X sister reader (consensual) where one day she just pulls kenma into a closet and begs him to fuck her and all and it's just some really soft smut
Warnings: female genitalia, female uniform, incest, school setting [2nd year], semi-public sex [school closet], m. oral receiving, panty sucking, creampie, overstimulation
Kenma + Incest and semi-public sex
The chiming of the bell rang across the building, signaling to everyone that lunch period had started. Walking the way he usually goes, Kenma headed up to the next floor before getting to the staircase that led to the rooftop. Before he could place his foot on the step, though, he heard his name being called. “Kenma!!”
“Hm?” He looked in your direction, his foot receding as you bounded your way over to him. Instead of stopping, you kept up the energy and bounced, pulling on his sleeve. “What’s going on?”
“I have something I wanted to show you!” You started tugging him. “It’ll be quick, I promise,” you giggle as he shrugs, but follows you. Your quickness is like that of the tortoise, always taking up lots of time and he’ll probably be stuck with you until his next class period.
Going back down the way he came, you ended up going down an empty hallway, the only people being you two and another second year that ended up walking past you two. Turning off the hallway, you two were alone like that. Which, normally, wasn’t bad, but Kenma knows you like to be adventurous and can expect you to do outrageous things in an empty hallway like this.
Stopping to open a closet door, he’s confused until you turn on the light and lock the door, giddily turning to look at him. He knows that look on your face. “I learned a new trick but I can only show if you if you promise to be quiet,” you hold your pointer finger over your grinning lips, only taking them away when he hesitantly nods.
Sinking down to your knees, Kenma has his reservations about the supposed trick you’re going to do, but doesn’t do or say anything. It’s not like you haven’t done something like this before, just never during school hours. Especially in a janitors closet. Unbuckling his pants, you lick your lips as you easily manage to undo the restraints hiding back his growing bulge. A tint of pink adorns his face, but he’s covering it up with his hand as you use your tongue to gently encourage his cock to its full hardness.
Practically drooling before you can even put it in your mouth, you let some spit go from your tongue and lather it on his hot skin, moaning as you press sloppy kisses to the sides. He knows this isn’t the new trick you have planned, since you always start by basically worshiping and salivating all over his cock. Using your hand, you move your lips to the underside as your finger begins rubbing over his slit and pumping his cock. It feels so good, but when he feels your tongue and lips descend to his balls, lapping and gently sucking on them that has his legs weakening.
With your lips on his balls and your sopping wet hand pumping his cock, it’s not long before he’s grabbing at your hair and tugging you closer, letting his orgasm go. You’re quick about it, moving your hand so that all of his seed splatters against your hand, dripping down onto your exposed chest. When you unbuttoned your shirt, he doesn’t know, but he does know that you’ve learned to tease his balls as well as stimulate his cock. Pressing a kiss to his still hard cock, you giggle as you rise to your feet, licking his excess off your hand.
“That was a good trick. You deserve a treat,” he pants out, sliding down to the floor. He needs to let his legs rest before he’s wobbling to his last period of the day, so he encourages you to sit on his lap. If you two were at home, he’d be pressing his face between your legs and sucking your pussy like is life depends on it, but he can’t afford to waste more time than necessary.
Eager to get your own treat, you slide your panties down your legs, letting Kenma get a good view of what’s under your skirt: your glistening pussy just from giving him a blowjob. Taking them off, you stuff the sticky fabric between your breasts before kneeling down to ride him. You don’t mind your knees are on the floor, too focused on getting his hard cock to line up with your dripping cunt.
Feeling his tip brush over your entrance, you immediately sit all the way down so you can feel him all the way inside. He’ll never get over how warm and wet your walls are, always so eager to have him inside you. You have similar feelings, already beginning to bounce as you let out soft moans between each bounce. He had to press his lips to yours, muffling them. Breaking off, he keeps your face close to his as he pants, feeling your hands tighten around his neck. “You can’t be too loud. Someone will hear,”
“I’m sorry, nii-chan. You just feel so good,” you quietly cry, beads of tears falling from your eyes. So easily stimulated, just like him. You’ve only just began and your bounces are faltering, mouth hung open in a silent cry as your eyes practically cross. He takes your hanging tongue in his mouth, sucking on the muscle as you ride out your orgasm on him. He’s just as close as you, hands digging into the flesh of your ass and bunching up your skirt, having to hold onto something while he pumps you full of his cum.
Soft mewls come from you, your body still rubbing against him for friction as your cunt continuously clenches around him. It’s like a continuous orgasm, you never stop squeezing him as he softens and hardens again, getting friction just from shallow ruts. Leaning your head against his shoulder, you quietly giggle as you remove yourself, pulling your panties from their temporary pocket. Pressing them to Kenma’s mouth, he greedily sucks on them and dampens the fabric more with his spit, but laps at the small essence of you on it.
The bell signals lunch is over, and though he didn’t get to eat anything, Kenma finds himself satisfied enough to not be too bothered. You don’t try to keep him any longer, removing yourself and quickly clenching your thighs together, keeping his cum inside until your panties are back on. He’s soft enough to tuck himself away, brushing and dusting off his uniform while you button your shirt. Pressing a kiss to his cheek, you leave the closet first and he waits a good five seconds before leaving himself, glad to see nobody is in the hallway or near it. He exits from the opposite side of the hall, knowing it’ll be longer to his class but not wanting to accidentally give anyone a clue of what just happened.
Too bad he missed a pair of eyes at the other end of the hallway.
Once last period was over, Kenma had to stay after school for his club activities. Your club had a break for the day, so that explained why you were so eager to spend time with him during lunch. Before you left, you found him before he entered the gym, pressing a kiss to his cheek and saying your goodbyes. Yamamoto could only weep as he wished his sister would be as nice to him as you were to Kenma, making Kenma cringe. He didn’t know the full story and Kenma hoped it stayed that way.
Unbuttoning his shirt, Kuroo came up behind him and leaned over his shoulder, making him glare at the open locker. “Yes, Kuro?”
“You know, someone’s gonna catch you being dirty with your little sister if you’re not careful,” Kuroo says, a shit-eating grin when Kenma glares at him. It’s not out of hate, but more so out of fear. “I won’t tell anybody, but I will tell you to cover up a bit more,” his finger slightly brushed over his shoulder, where a hickey was made from the previous night. “Might make someone jealous,”
“Sounds more like you’re interested, if I’m not mistaken,” Kenma just gives him a knowing look, one that Kuroo only smiles at before getting off the locker.
“Maybe so, who knows?” He shrugs, walking out of the locker room and into the gym. Kenma can’t help but smile.











