Chapter Text
After months of relentless pursuit, Satoru Gojo finally got what he wanted: you.
Satoru had never intended to date within the workplace; frankly, he avoided that type of messy shit.
Emotions. Connections. Effort.
It was easier to never get close. Allowed him to focus on work and teaching and fighting special-grades for breakfast.
God knows sorcerers that weren’t him had a way of not lasting in this field—they either quit after so long, or encountered a cursed spirit that quit for them.
But when you transferred in as a new sorcerer and teacher at Tokyo Jujutsu High, he felt his traitorous little heart flip in his chest when he first laid eyes on you.
He also felt his cock twitch in his pants, but hey, he was only a man.
And who could blame him?
It didn’t matter that the educator’s uniform covered your chest completely—he could see the way the buttons strained from your pillowy tits begging to be freed. It didn’t matter that most days you wore stockings beneath your skirt, not showing a single inch of skin from those long legs of yours—the imagery of ripping them off was far more thrilling.
Sex. He needed to get laid. That’s what he had convinced himself of when you showed up and his dick pointed your direction ninety-percent of the day like a compass finding true north.
Except… He got to know you, and, fuck, if that didn’t make things worse.
He had to be with you, and not just in bed.
Christ, he’d never wanted to date anyone before you, not really.
And when you finally agreed, when he’d at last worn you down and you begrudgingly went on that first date, it was sweeter than going all out on a special-grade cursed spirit.
If he were honest, he had anticipated having less sex now that he was taken. Loss of attraction from having the same pussy too much, or some nonsense. Besides, who could keep up with his limitless stamina?
Except… You did. And Satoru couldn’t keep his hands off of you now that you were his.
It was the way you matched his energy. It was the way you challenged him. If he didn’t know any better, he might even think he’s in love.
He needed you constantly.
The train rides to the ward of Tokyo where the school was were hell in the morning.
You refused to let him teleport you both from your shared apartment (re: penthouse—his. Gojo clan money went towards only the best). Something about you being unable to tolerate the way teleportation was technically separating each atom in your body and reassembling it in a near blink of the eye.
Whatever.
But for you? He would slum it on crowded city trains all the way from his cushy skyrise condo in Roppongi to the edges of the city where the school nestled in the foothills of the Tokyo mountains.
And so here he is, sandwiched between strangers and you.
Annoying.
Mornings like this where people filter in and out of the train car constantly at each stop means he has to keep Infinity under tight wraps. Not that he isn’t used to strategically turning on and off the impenetrable barrier when a helpless normie bumps into him—Infinity on if they’re unlikely to notice they didn’t actually touch him; off if it’s clear they couldn’t get within a few inches.
Another stop, another inflow of passengers.
You step back, and your ass presses right against his crotch.
His eyes shoot up to the ceiling with a breath of exasperation, his hand tightens around the pole he’s gripping for support.
He thinks of cursed spirits. He thinks of Nanami’s cow-print tie collection. He thinks of—
Wait.
Were you not wearing panties today??
Impossibly blue eyes hidden behind that black eye mask dart down to your skirt, senses kicking into high gear to discern if there was any layer of cursed energy between the outer uniform and your precious cunt.
“Baby, you’re killing me,” he groans into your ear when he determines you really were going commando.
His dick is already straining painfully in his pants.
He couldn’t wait to get to the school, to his office where he could bury himself in your tight heat.
But maybe…
With a glance around to make sure no one was paying attention, Satoru unzips his pants, lifts up your skirt just enough, and…
“Satoru!” Your eyes dart over your shoulder as you register his movements. Only, it wasn’t just grinding. “Oh my god, you can’t be serious!”
Solid warmth nudges between your thighs, and mortification immediately sets in.
You’re in public, on a crowded train no less. He isn’t seriously going to try and get away with fucking here, right?
His lips curl into a wicked grin as his dick grazes your bare cunt, all the confirmation he needed.
It didn’t matter that you were right, that it was crazy to do this in public. Fuck it. He needed this.
“I’m dead serious, baby,” he whispers, his voice husky with desire.
“Satoru…” you say in warning when his hands move up to grip your hips tighter.
The dick between your thighs twitches, and a bead of precum spreads along your skin. Despite the curses of protest you shoot over your shoulder, you leave behind a trail of wetness on his length all the same.
He’s guiding you, lifting up just enough so the tip of his cock catches on your entrance, pulling you down until you the fat head nudges through your growing slick.
And when he cants his hips up enough to press inside, you have to bite down on your lip to stifle the whimper escaping you as the familiar stretch of him begins.
Thankfully his grunt at the feel of your tight pussy clenching around him, your next moan when he can’t help but thrust forward and push deeper inside, is all swallowed up by the noise of the moving train.
But, oh my god, what if someone realizes what you’re doing?
How should you arrange your face? Can you even keep it neutral when he pulls an inch out just to shove three more in?
“Fuck, baby,” he groans, breath ghosting over the shell of your ear. “You’re so fucking tight today.” His hands move from your hips down to your thighs, subtly spreading them wider apart. “You did this on purpose, didn’t you? No panties. Fucking tease.”
“Shhh!”
His chest is solid against your back as he tugs you flush against him. You can’t help but let out a small yelp when the movement causes him to bottom out, balls slapping once on your ass.
"Satoru—"
Out a little more, then another thrust back in.
He chuckles when you whine under your breath. “You think these people are listening?” Satoru spares a passing glance at the oblivious passengers. “They see nothing more than a loving–” a jerk of his hips “–affectionate–” a thrust so forceful you nearly stumble “–perfect couple during rush hour.”
You want to kill him for this. Want to drive a knife into his stupid handsome face when Infinity is down for his sheer audacity.
But then the train jostles, and the jerking motion has his cock inside of you rub right against your most sensitive spot.
“O-Oh god…” Your knuckles whiten on the pole you grip for support.
“Fuck,” he breathes when your inner walls clench more. He grinds his hips against you. “Gonna make me nut already, babe.”
With each jostle of the train, he disguises his thrusts as simple repositioning, finding support, jerking with the rock of the car on the tracks.
Only you feel too good for him to keep up the facade for long. Those electric bolts of pleasure course through both your bodies.
It’s so fucking risky, and yet the thrill only made everything better.
You both dabbled in risque behavior before—a blowjob in the movie theaters, getting fingered on a ferris wheel ride. But outright fucking in public on a crowded train was so beyond anything you’d ever consider normally.
And yet, you can’t help but angle your hips back, letting him fuck into you better without the movements becoming so obvious.
“I’m gonna–a-ah!–fucking murder you for–nngh–this!”
“Lookin’ forward to it, sweetheart—Oi!”
A passenger shifting spots bumps into his back and he goes flush against you.
Satoru’s momentarily alarmed simply from being touched by another person that isn’t you (Infinity’s a bitch to focus on when he’s buried ten inches deep in the sweetest cunt in Japan). You suck in a breath so fast it hurts when his dick drives into you so far you swear the tip brushes your cervix.
Walls clamping down in response, your thighs squeeze together. Satoru swears under his breath. “Shit, baby,” he murmurs, biting back another groan before quickly looking around to ensure no one’s noticed.
Thankfully the crowd is too engrossed in their own lives to pay attention to the obscenities occurring two feet away.
And so, he continues to thrust into you—short, shallow bursts that do more for you than him.
“You’re so fucking tight… Love how you squeeze my cock.”
One large hand finds the back of your thigh underneath your skirt, then cups your ass cheek to squeeze.
Each time he drives into you, he’s hitting that sweet spot again and again. It becomes too much not to whimper, not to moan.
“God, Satoru…”
“That’s right, baby. I’m your god.”
You lean your forehead against the support pole, panting heavily.
This was wrong. So fucking wrong.
But you can’t deny the pleasure coursing through you.
You push back against him to meet his thrusts with your own. It’s becoming worryingly clear what’s happening now.
“B-Baby—oh god—I-I think I’m gonna cum!”
Satoru lets out a low growl, because he can feel the way your walls start to flutter around his length. He knows you’re close. And the thought of filling you up with his seed while you’re still on this damn train makes him even harder.
“Cum for me, princess,” he commands right into your ear.
That devilish hand snakes around between your thighs, right to where your bodies are joined to press circles around your clit.
It’s so much stimulation, so much to focus on, to worry about, to experience. Your legs start to shake. His own thrusts become more erratic.
Fuck, you’ll be caught soon.
Maybe that’s what spurs his own rapidly building climax.
That risk that only adds fuel to the fire, driving you both towards release faster than he anticipated.
Another flick of his fingers. Another deep, shattering thrust.
The coil in your core tightens, tightens, tightens, until it snaps!
He knew it was coming, and his hand darts to cover your mouth just in time to stifle your cry.
“Fuuuuckkkk…” he groans as his own climax hits.
It’s the way your pussy clenches, the way it gets so wet when you orgasm. He lets go with one, two, three more jerks of his hips, then hot spurts of cum flood your insides.
The train jerks suddenly. His cock throbs inside you once more in response to send another pulse of ecstasy through your joined bodies.
Satoru’s hand at your mouth lets go now that you’re done whimpering openly to hold onto your shoulder, keeping you steady so you don’t fall or attract unwanted attention.
Every jolt of the train extends your orgasm just a little longer.
But Satoru murmurs comforting words in your ear, soothing you, ensuring he’s got you, that you can ride it out.
Yeah, you were definitely going to have a serious talk about this. But, god, was he perfect right now.
So protective and assuring, letting you experience your pleasure for as long as possible while keeping you shielded in his arms, guarding in a way so no one could see how intimately you were connected.
“Easy, babe,” he whispers, fingers gently stroking your side. “Just let it all out.”
His own heartbeat echoes in his ears, matching the rhythm of the train as it approaches the station.
He can feel the tension in your body slowly easing, your orgasm gradually winding down. Only then, after waiting until he was certain you were finished, does he pull out of you with a slight wince, taking care to turn his body to the side as he tucks himself back into his pants.
Your hands tremble where they clutch the pole. He zips his pants up then squats down to pretend to tie his shoe.
He’s actually discreetly wiping his own cum that’s beginning to spill out of you, catching every drip down your thighs with a handkerchief. You smooth down your skirt, and avoid eye contact with anyone around you like they’d know what just happened simply from the fucked-out look on your face.
The train slows, then comes to a halt.
You’ve arrived at your stop, but neither of you move immediately.
“You okay?” he asks as he rises to his full height.
Behind that black eye mask, you know those crystalline eyes are alight with mischief and satisfaction.
When you nod, a soft smile plays on his lips. He reaches out and brushes an errant lock of hair behind your ear before leaning in to capture your lips in a searing kiss.
It’s quick, passionate, but filled with a devotion that makes the absurdity of what just happened feel a little less insane.
“You’re an asshole,” you mutter, but the words lack any bite, especially when your face is suffused with a perfect blush, your eyes glossy with your own lingering satisfaction and desire.
Passengers shuffle out of the train car.
You hold out your hand for him to take. “Come on. Let’s get to campus.”
“Lead the way, ma’am,” he says with a playful salute.
Satoru entwines his fingers with yours, then follows closely behind as you exit the train together.
As you walk out of the station, you lean in against him. He hums in contentment at the feel of your softness along his side.
“You know,” he muses aloud, squeezing your hand once. “This might just become a regular thing. Public fucking on crowded trains… Shoulda tried it sooner, really.”
His tone is light-hearted. Teasing.
It’s that hint of seriousness underlying his words that makes you jab your elbow into his side.
“Uh, no,” you respond quickly, quashing the joke before it can go further.
He gives a disarming chuckle that says Hey, worth a shot.
In reality, Satoru knows he shouldn’t be pursuing this kind of behavior—particularly given your positions at the school—but something about it excites him.
Maybe it’s the thrill of getting caught, or perhaps it’s simply because he gets to claim you whenever and wherever he wants.
As if reading his inner monologue, you give him a sharp, warning look as you pass through the torii gates of Tokyo Jujutsu High. “If you try that again, I might have to let you teleport us instead.”
He smirks.
You immediately stop in your tracks, bringing him to a halt along with you.
“Wait a minute…” You frown at him. “Did you fuck me on the train ‘cause you’re still upset I won’t let you teleport us for our commute?!”
Satoru raises an eyebrow and looks down at you with a playful smirk. “Maybe,” he admits with another shameless shrug. His voice drops lower, laced with lustful intent. “But mostly because I wanted to.”
“Besides,” he adds, stepping right up to you, “you’re the one that didn’t wear panties today. How do I know you didn’t have this planned from the start?”
Immediately your lips purse even as your blush deepens. His hands find their way to your waist to pull you flush against him.
The remnants of your encounter still cling to your skin. A stray leaf from the tree canopy above flutters down beside you.
“Enough,” you huff and dodge his incoming kiss. He lets you sidestep him as you continue up the steps to the school. “Don’t rile yourself up again.”
Satoru grumbles, but hangs back enough to watch you ascend, to watch the way your hips sway just a little more than usual with each step.
Six Eyes lock onto the cursed energy dribbling down your thighs beneath your skirt. His cursed energy.
“Fine, fine,” he relents, and catches up to you in three quick strides. “Seriously though, why are you au naturel today?”
His hand connects with your ass, giving it a firm slap.
A squeak escapes you, but you keep your eyes ahead.
“...Maybe I was planning certain activities for when we were in your office…”
The grin that lights up his face could outshine the fireworks on New Years.
“Oh, fuck yeah.”
Arms band around your waist in an instant. The world goes black as you vanish from the sidewalk and rematerialize in said office before you could even blink.
You don’t have time to yell at him before you’re bent over his desk.
Hands grip the hard wood. “Fifteen minutes, Satoru,” you protest weakly, a little disoriented from teleporting. “I have lesson plans I need to finish.”
“Of course,” he rasps against your neck, pants already dropped. “I’ll have you done in ten.”
You were both late to your morning classes by twenty.