Molecular romance
One awkward smile, two 'study mates', and a love story that’s chemically inevitable.
Synopsis: You only stopped at his science fair booth out of pity—but the tall, nervous guy with crooked glasses and a galaxy model has other plans.
Satoru Gojo is brilliant, awkward, and talking a mile a minute about black holes like it’s the most romantic thing in the world. You weren’t looking for a tutor. Or a crush. But he’s got stars in his eyes—and maybe, now, so do you.
Pairing: Nerd!Gojo Satoru x reader
Genre: MDNI, College AU, Fluff, Slow-burn-ish, friends to lovers, attempt at humour
Warnings: Mentions of virginity/first kiss, hookup culture, crude humour, minor argument, kissing, making out, testing the boundaries of friendship big time.
Masterlist
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The sharp scent of alcohol markers and someone’s aggressively microwaved breakfast clings to the air of the classroom. You burst through the door, the morning sun doing nothing to hide the grin stretching across your face.
With a pep in your step that borders on suspicious, you weave past the yawning students and caffeine zombies until you spot your target.
Gojo is already at his desk—impossibly upright and offensively awake—tidy notes laid out with precision.
His hair is still damp, curling faintly at the ends, a single droplet clinging to his jawline before slipping under the collar of his hoodie. His glasses are fogged faintly from the chill of outside meeting the warmth of the room. He’s wiping them with his sleeve when he finally notices you.
Gojo's mouth instantly pulls into that sideways, fond smile, reserved specifically for you.
“You’re awfully cheerful for someone who almost failed the last lab quiz,” he remarks, one brow raised over the rim of his lenses.
“Well,” you say, sliding into the seat he’s saved for you. “I’m expecting you to score a date today.”
Gojo sighs. “Do you really think that'll work?”
“Mmhmm,” you hum, already digging for your notebook. “Someone’s finally going to break their celibacy streak.”
“Could you not call it that?”
“Could you not stall?” you fire back, holding out your hand. “Phone, please. Don’t fight me on this.”
He hesitates, fingers brushing the edge of his pocket as though the phone might bite him. But before he can hand it over, the professor sweeps into the room, and everyone groans in unison.
You flop dramatically forward on your desk. “Rude.”
Gojo just smirks faintly, tucking the phone back into his hoodie pocket. When he sits back, though, you notice that he angles himself a little closer to you. His elbow brushes yours, just barely. And you don’t move away.
The lecture begins.
You hear almost none of it. Every mention of valence electrons turns to static while you absently doodle stars and crooked hearts in the margins of your notes.
But your eyes keep darting sideways. To the way he taps his pen against his thigh. To the way he mouths the professor’s words just a beat behind, syncing with a rhythm only he seems to hear.
You think you’re being subtle, catching little glimpses of him without being caught.
Until Gojo's eyes flick up and find yours.
His gaze snags yours and holds it just long enough for the back of your neck to warm before he looks back down at his notes, the faintest tinge of pink dusting the tops of his ears.
And just a few moments later, his hand moves. Slowly, lazily, like they have nowhere better to be, his fingers drift from their place on his own notebook and hover near yours, before resting lightly over your hand on the desk.
The warmth of it sinks into your skin, his thumb brushing idly against your knuckles. Neither of you move. His fingers curl just slightly, pressing yours gently into the wood in the quietest squeeze.
“Would you sit still?” he murmurs, voice soft enough that the scratch of pens almost drowns it out. “You’re distracting.”
Your head tilts into the contact for half a second too long before he pulls away, his hand retreating like nothing happened.
When the bell rings, you shoot up like a spark, practically snatching Gojo's phone right out of his hand.
“You have a match,” you announce, triumphant as the screen lights up.
Gojo blinks, surprised. “A match?”
“She’s pretty." You spin the phone toward him with a grin. "Like, drinks oat milk and does pilates pretty.”
He leans closer to see, brows drawing together slightly. “Seriously?”
“Has a liking for Astronomy, long walks, Iced Americanos,” you recite as you scroll.
“Huh,” he mutters.
“That’s it? Just Huh?” you tease, giving him a look.
“She seems.... fine,” he says flatly.
“Well, you can thank me later,” you say, already thumbing through the app to compose a message.
He doesn’t stop you. Just sits there quietly while the classroom empties around you.
The hum of chatter outside the classroom drifts in as the door bangs shut behind the last student. The room is quiet now but for the faint the slow tick of the wall clock.
By the time you’re halfway through typing some charming opener on his behalf, you notice he hasn’t moved.
Hasn’t even looked at the screen.
You glance at him, frowning slightly—and catch the way his fingers keep fidgeting with the hem of his sleeve, twisting the fabric like he’s trying to wring the nerves out of it.
That’s when you realize something’s wrong. You lower the phone to the desk, watching him carefully.
“She’s super cute,” you say, voice light, testing the waters. “Right?”
He nods once, almost mechanically. “Yeah. Cute.”
It’s flat and empty. Like he’s reading it off the back of a cereal box.
You raise an eyebrow. “That’s the least convincing cute I’ve ever heard.”
Gojo exhales through his nose. His knee bounces once, then stops.
“Satoru,” you say, a little softer. “It’s just a date. You’ll be fine.”
But he doesn’t even glance at you. His thumb picks anxiously at the corner of his notebook.
“That’s not the point,” he mutters.
You frown, sitting back. “Then what is?”
He finally tips his head back, as if the ceiling might have the answer, jaw tight.
“Come on,” you say again, pressing further. “Spit it out.”
“Forget it." He says, leaning back in his chair. "I just... you wouldn't understand.”
That one lands sharper than he probably intended.
You huff, the faint sting in your chest catching you off guard. “Oh. So now I’m too dumb to understand?”
“That’s not what I meant.”
“Could’ve fooled me,” you shoot back, sitting up straighter. “Right after I practically handed you a date on a silver platter, you tell me to mind my own business?”
He shifts in his seat, leaning forward like he’s about to say something, but then stops. His hands clench in his lap.
“Yeah, well…” he finally mumbles, eyes hard on the desk. “Maybe that’s the problem.”
“What’s that supposed to mean?”
“You ever think maybe I don’t want you running my life all the time?”
For a second you just stare, because the words feel so damn foreign out of his mouth.
You laugh, the sound bitter and clipped. “That’s actually impressive. You managed to make me feel like an idiot and regret helping you all at once.”
Gojo freezes, like he only just registered the words that came out of his mouth. His head snaps toward you, face flushing pale. “Wait — no. That’s not what I—”
But you’re already standing, grabbing your bag.
“Don’t bother,” you cut him off, slinging it over your shoulder. “I won’t get in your way anymore.”
“Wait—” he tries again, standing halfway, guilt twisting across his face.
You approach the door and maybe it’s petty, or maybe it’s just necessary, but you don’t call him Satoru.
“Good luck on your date, Gojo.”
The way you say his name—Gojo, not Satoru—feels like a door closing in his face.
You leave without looking back.
The canteen feels colder without you sitting across from him, your laughter still faint in the back of his mind. He sits there long after you’ve left, staring at his phone like maybe if he stares at it hard enough, it'll light up with a text from you.
“Stupid,” he mutters under his breath, voice cracking faintly. “That’s… not what I meant.”
His hand hovers over your name in his contacts more than once. But he doesn’t click on it.
The truth is, he doesn’t care about some oat milk drinking, pilates going stranger.
He never did.
When you smiled at him in that classroom, when your elbow brushed his, when your hand stayed under his and you didn't move it away—he thought, maybe. Maybe you knew.
But you don’t.
And he’s too much of a coward to tell you.
—⋆ ☁︎ ⋆ ♡ ⋆ ☾ ⋆ ♡ ⋆ ☁︎ ⋆ —
Gojo paces in his room for what feels like hours. The message is typed, then deleted, then typed again.
I'm sorry.
You weren’t a bother.
I didn’t mean it.
Come back. Please.
Each one dies before it can get delivered to you, his thumb hovering, yet wavering just as quickly.
So he does the stupidest thing he’s ever done.
He shows up at your door. No warning, and certainly no text.
Just him standing under the jaundiced glow of your porch light, hair sticking up at odd angles like he’d run nervous fingers through it. His sneakers scuff nervously at the welcome mat, eyes wide and glassy like a deer in headlights.
You freeze for half a beat, hand clutching the edge of the door frame.
And he just stares—soft, awkward and hopelessly him.
You sigh and step aside without a word, and he slips inside with the ease of someone who's been here a thousand times before.
Gojo doesn’t beat around the bush or offer a forced excuse. He just sinks onto the edge of your couch, shoulders hunched, hands buried in the sleeves of his hoodie. Looking every bit like a stray cat that finally realized it might’ve bitten the only hand that fed it.
You sit at the far end, curled in the corner of the sofa, legs tucked up, face turned away from him.
He draws in a breath. “Please don’t do this to me.”
You still don’t look at him. “Do what?”
“This,” he says, gesturing helplessly between the two of you. “This thing where you won’t even look at me—”
He breaks off. Your fingers tighten where they curl against the armrest.
“I can’t—” he tries again, throat bobbing. “I can’t stand it when you won’t look at me.”
You finally look up at that. Because how could you not when he sounds like that?
His eyes are red-rimmed, lashes clumped slightly at the ends like he rubbed at them too hard, like maybe he was afraid he’d cry on the walk over.
“Fine,” you say, arms crossing defensively. “I’m looking.”
Gojo exhales a breath of relief, before speaking up again. “I messed up,”
You scoff. “No kidding.”
“I really messed up,” he amends, like that’ll earn him points.
You don’t reply.
He shifts slightly, digging into the front pocket of his hoodie, fishing for something, and out comes a brown paper bag folded neatly at the top.
You blink, dumbfounded. “…Is that—”
Gojo nods sheepishly. “Yeah. That pastry you like. The, uh…” He trails off, wrinkling his nose. “The bougie one with the French name that sounds like a sneeze.”
“…Financier?”
“That. I walked thirty minutes for it. The barista said they were out but then I did the face.”
You furrow your eyebrows. “What face?”
He scrunches his face dramatically—pursed lips, eyes huge and wet like a cartoon. “Please ma’am. My best friend’s mad at me and this is the only thing that might make her like me again.”
Despite yourself, a little laugh bubbles out. His head snaps up instantly, as though he’s been starved for that sound and can’t bear to miss a second.
And you swear, in that moment, he actually glows. His expression softens into a grin so dumb, so earnest, it almost makes your chest hurt.
“So,” he says, voice hopeful. “We’re okay now?”
You take the bag slowly. Your fingers brush his when you do, and he stills, barely breathing.
You eye him for a long beat, and then say, “You’re lucky I’m food-motivated.”
You make quick work of the bag, the sweet, rich fragrance of the pastry escaping in soft, delicious curls of warmth.
You nibble at the corner, a soft sound of approval slipping out as the dessert nearly melts against your tongue. It’s still warm, soft in the center, with that faint hint of almond that makes your eyes flutter close for a second.
When you open them back though, Gojo’s staring straight at you.
Not subtly.
You blink, pastry halfway to your mouth. “You’re gonna burn a hole through my face at this rate.”
His eyes widen slightly as he clears his throat. “Wasn’t staring.”
“You literally haven’t blinked in forty-five seconds.”
“I’m contemplating,” he says, voice mock-serious.
“Contemplating what? The angle of my jaw while I eat?”
“No,” Gojo huffs, ears going pink. “Yes. I mean—no. Shut up.”
You laugh and take another slow bite just to mess with him. “You better go on that date tomorrow, Satoru. If you bail, I’m never reactivating your account.”
He sighs, dragging his hand over his face. “Fine. I’ll go.”
“Good. And you better be ready.”
“For what?”
“Everything,” you reply cryptically.
He frowns. “Everything?”
You shrug, brushing the crumbs from your fingers. “You don't know when things could escalate. What if she gives you a goodnight kiss?”
Gojo goes stock-still. The color drains from his cheeks before rushing right back in twice as dark. “A wh-what?”
You pause, eyeing him. “You have kissed someone before… right?”
His shoulders stiffen, gaze darting anywhere but at you—the table, the ceiling, his own lap. “Uh. Define kissed.”
You drop the remnants of your sweet bread with a thunk. “Oh my god.”
He winces, sinking into the couch like he wants to become one with the cushions.
“Satoru.”
"I know."
"You're twenty-freaking-one."
“I’ve been busy!”
You arch a brow, leaning forward. “Doing what, exactly? Taking a vow of chastity?”
“With school and avoiding failure!” He throws his hands up, knocking over a napkin. “And maybe also… fear of being bad at it.”
You stifle a laugh, watching him squirm. “So you’re actually nervous about kissing? That’s kind of cute.”
He huffs, crossing his arms but avoiding your eyes. His knees bounce under the table. “Excuse me for not wanting to humiliate myself the first time.”
“Well, lucky for you…” you drawl, eyes glinting as you bat your lashes with exaggerated sweetness.
Gojo freezes, suspicion written all over his face. “…Lucky for me?”
“You’ve got me,” you hum, inching closer and closer until he’s practically backed into the couch cushions. “And I am an excellent teacher.”
“...No.”
“Yes.”
“No way in hell.”
“Do you wanna embarrass yourself on the first date?” you counter, calm as ever.
“I’ll figure it out!”
“By all means,” you say, rolling your eyes and leaning back. “Fumble your own bag. Who needs a love life anyway?”
“I’m not kissing you.” he declares, but the way he’s fidgeting with the hem of his hoodie and pointedly not meeting your line of sight says otherwise.
“It’s purely academic.” You reach over, brushing a crumb off his hoodie. “And you have nice lips, Satoru.”
He jerks back like you slapped him. “That’s—that’s irrelevant—”
“It’s entirely relevant,” you say, leaning back on your hands. “You’ve got the tools, just no training.”
He purses his lips, going quiet for a stretched moment before speaking up.
“…You’re serious?” he says, voice so small it almost disappears.
You smile. “Why wouldn’t I be? Friends help each other out.”
Gojo hesitates.
Because he knows. Knows that you’re teasing. Knows you’ve always flirted in that particular way only you can manage—close enough to confuse him, yet never close enough to catch.
But this feels different. His gaze drops to your mouth, and then back up.
“…Okay,” he mutters, barely above a whisper.
You blink. “Really?”
“…For uh— research,” he adds weakly, trying and failing to sound unaffected.
You snort. “God, you’re such a nerd.”
But your hands find his cheeks anyway, tilting his face toward you, closing the gap.
You press your lips against his in a soft, chaste kiss—barely more than a brush—and his breath stutters against your cheek. His hands are fisted against his knees, knuckles white, and you can’t help but be amused at how hard he’s working not to reach for more.
“Relax,” you whisper against his lips, smiling when his shoulders loosen just a little.
He’s so rigid it’s adorable, like someone rewound his spine into a spring.
“You’re so tense,” you murmur, nudging your nose against his. “Do I intimidate you, Satoru?”
“I’m fine,” he breathes, but you know it's a lie.
You kiss him again, this time with more intent. Gojo responds slower, like he’s still trying to figure out which part of him is supposed to move first.
You take the lead, hand curling into his hoodie, coaxing him closer until his palm lands on your hip. He makes a sound then—a desperate little groan muffled into your mouth—and it sends a shiver down your spine.
You shift closer, swinging a leg over his lap, straddling him without warning. The couch dips and groans beneath you both as your knees bracket his thighs. He gasps faintly when your fingers slide into his hair and pull, his hands clenching instinctively at your hips.
The kiss quickly turns messier—his lips already a little swollen, breath coming in quick, uneven bursts. His hands slide up your thighs, unsure but desperate, fingers flexing like he’s afraid he’s imagining it all. You bite at his lower lip, and his hips jolt up before he can stop himself.
By the time you finally pull back, hauling yourself off of him, both of you are flushed and breathing hard. Gojo looks absolutely wrecked—glasses crooked, lips red and kiss-bitten, eyes dazed.
He swallows hard, then clears his throat, like that might somehow clear the heat from his face.
“…So,” he says finally, voice hoarse but trying for casual, “that was… educational.”
You snort, leaning back just enough to look at him. “You’re not the worst student I’ve ever had.”
That earns you a weak little laugh.
But his fingers are fidgeting in his lap now, tugging at the edge of his hoodie like it might save him, or at least give his hands something to do besides reaching back for the warmth of your body against his.
His eyes dart down to your mouth again, linger just a second too long, then flick back up to yours.
“…We’re still friends, right?”
You tilt your head lazily, wiping the corner of your mouth with the pad of your thumb. “Obviously.”
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