making nerd!sukuna cum in his pants x mean!reader
18+ mdni !
i didn't proofread this sry not sry enjoy
that's the name published next to yours on the list outside your professor's door. your partner for the final project. ugh. you're almost considering emailing and asking for a new partner, sure he was smart but…
"such a fucking nerd," you grumble as you spin around, only to collide into a broad chest.
he's looking down at you, ears read, stuttering out something that sounds like it's supposed to be an apology. he has a death grip on his backpack straps like it's going to save him somehow.
"y-yeah," he mumbles, clearing his throat before continuing. "we're uhm… partners, i guess?"
"well, duh, it's right there on the wall." your eyes narrow, calculating gaze sweeping over him. maybe you could just get him to do the whole thing. he's a bit of a goody two-shoes but with the right motivation, you're sure you can make it happen. "come on."
he freezes, confusion taking over his expression. "what?"
you scoff. "to my dorm, obviously."
despite your attempt to clarify he looks even more confused, maybe even scandalized. "o-oh! i've never… done that, you know? like…" he trails off.
it's your turn to freeze now. dumbfounded that he thought you were inviting him over. and then, you can't stop the shrill sound that tumbles out of you. you're practically doubled over, tears forming, your stomach cramping from how hard you're laughing at him.
"to fucking work— did you seriously think… me? with you?," you're still gasping for air between your words and through the wetness in your eyes you can see the way his face has turned beet-red, and are those drops of sweat on his forehead? "you're hilarious. let's go."
you don't wait for his response, turning and sauntering off. you know he'll be right behind you.
when you get to your dorm you throw your stuff down and crawl on the bed. sukuna takes a seat in the chair at your desk, pulling out his laptop and notebook from his backpack that looks like it's full of 20-pound weights. you're chewing on your bottom lip, lost in thought as you look over him once more.
you're not sure where the tattoos came from, he seems like the last person in the world who'd have them. maybe he had a phase. he's tall, and not terribly skinny, so at least he has that going for him. he definitely needs to learn what deodorant and face wash are though. your eyes scan lower. needs new clothes too. the 12-inch inseam basketball shorts with the graphic t-shirt of some weird anime is clashing real hard. and his shoes. the last person you saw wearing a pair of new balances like that was your grandfather.
your brows furrow. eyes sliding back up his figure again. he's not totally helpless though. he's cute enough to have a little fun with. maybe if you did fuck him he'd do the project for you.
"what do you think?" his words pull you from your trance.
you look at him, expression bored, "about what?"
"my idea for the project."
"ohhh…" you feign understanding, "yeah, yeah, sounds good."
sukuna's watching you closely now, clearly skeptical but too scared to say anything about it. he opens his mouth to explain more about his idea when you shift, turning on your stomach, arms coming together as you prop yourself up. your low-cut tank top already leaves little to the imagination and he's been trying not to stare but now, with the way you're pushing your breasts up, he can't help it.
he swallows loudly, gaze lingering. they look so… soft? he wonders what they'd feel like in his hands. the space between his thighs is starting to warm up, his cheeks burning again. did you know what you were doing?
the naive, not-so-little virgin, with that innocent doe-eyed look on your face, he didn't have a fucking clue.
"go on…" you coo, "tell me more, i wanna hear you talk about it."
your voice was syrupy sweet now, nothing like the sharp way you'd spoke to him earlier. the change was stark enough to give him whiplash. but smart as sukuna was, he felt his brain short-circuiting and he couldn't find the power to try and analyze why you'd switched up. you adjusted your hips giving him a view of your plump ass poking up behind your shoulder.
"uhm… i was, uh, saying that we should—"
you cut him off, patting the bed next to you. "you're so farrrr, i can't hear you. come here."
"o-okay." he grabs his computer, holding it over the half-hard bulge in his shorts before standing and crossing the room.
the mattress dips as he sits on the edge of the bed, stiff as a board.
sukuna can smell your perfume, see the gloss on your lips as your tongue darts out, swiping across them. his pants feel tighter, the tip of his boner poking against the bottom of the laptop. adjusting his hips he tries to get comfortable. instead he gasps, breath hitching as his cockhead rubs against the computer.
you're watching him closely. he's trying to hide it but it's obvious the effect you're having on him. you lean in, head close to his lap as you look up at him expectantly, waiting for him to keep talking.
he coughs, clearing his throat. "i-if we go with my idea, i can design the-"
"mmhmm." you hum in agreement, like you're letting him know you're listening. but why did you have to make it sound like that? pitchy and whiny, when it reaches his ears it sounds closer to a moan than anything.
his cock is throbbing painfully now, a pit forming in his stomach. he needed to get out of there. fast.
"i-i'm not feeling so… good, i think i should go." he's scrambling, words falling out quickly. he moves to shut his laptop but you stop him, resting a hand on his thigh.
"don't go," you plead. "this is too complicated for me," you lie.
you feel his leg tense beneath you and his cock jumps when you squeeze the muscle gently. eyes shut he lets his head fall back, exhaling quietly. "i c-can't— i have to go." you slide your hand higher, inward, so close. not good. he needs you to- "s-stop, i'm gonna—"
"but i need you, sukuna," you pout, looking up at him through your lashes, and fuck, that did it.
his whole body shudders, a pathetic whimper falling from his lips. cock twitching, he can feel the hot cum shooting out and coating the inside of his boxers, seeping through the fabric onto his shorts. chest heaving his hands fly up to cover his face.
"you really are a fucking loser."
he's about to stand, utterly mortified, he needs to get home, now. how is he supposed to even look at you ever again? you snatch his laptop away before he can close it and pack it up, tossing it behind you on the bed.
before he can even ask for it back you're pulling out your phone, opening the camera app and snapping a picture of him. his whole body and face are in the frame, stunned, red cheeks and wide eyes, a glaring wet spot at the apex of his shorts.
"you look cute," you mock. "you can go now though."
without another word he grabs his shit and starts stumbling to the door. he's got one foot out when you call out to him one more time. he turns, seeing you waving your phone at him, the picture of him pulled up on the screen.
you smile sweetly, but it doesn't reach your eyes. "you can handle this project for the both of us, can't you?"
sukuna nods once before slipping out, slamming the door shut behind him.
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