Thread by @An_Aphorism

#sheith, college au, sex toys.

Shiro and Keith dorm together even though Keith’s a freshman and Shiro’s about to graduate.
Too busy with classes to date, Shiro takes to jerking off in a fleshlight. It’s great, but the clean up he hates, and sometimes forgets about.

On one trip to the bathroom after he finishes, Shiro sets the used fleshlight down and then goes to bed and forgets.

That’s when Keith goes to use their shared bathroom and... finds it.

Keith should be disgusted or offended or.. anything other than curious. But Shiro is nice and smart and funny and very very fucking hot.

Keith doesn’t know what he expects when he grabs it off the counter, but finding it sticky and used is not it.

His hand moves before he knows it, and he presses two fingers into the filthy opening. It’s warm, wet. Full of Shiro’s—

Keith rears back, gasping, a shiver of fear and arousal running through him. This is wrong. So wrong.

There’s come on his fingers.

He stares. He—

Wants.

Keith’s heart is pounding suddenly at his own thoughts. The fingers come up to his mouth and

He tastes.

It’s salty, masculine. He presses the fingers into his mouth and licks them clean.

By the time he finishes he’s nearly quivering in his own skin, shocked at his own daring. And his cock is hard.

He’s reaching for the toy before he’s even thought it. It’s a squishy material, heavy in his hand.

Keith looks at the enterance, still slick. His mind circles around the idea that /Shiro put his cock there/.

And if Keith—

Fuck. Fuck. The taste is still on his tongue and his cock is /throbbing/.

No one would know. He’s sure it wouldn’t take very long at all, just the thought of it has him spiraling.

Before he knows it he’s tugging down his sleep pants and his cock is out.

He bites his lip to keep the sound in his throat down. The toy is just near the tip of his cock. He’s hard, leaking. He—

He puts the enterance to his cockhead, seeing the come still smeared there. Keith takes a staggered breath and pushes inside.

The feel of it is— a lot. Immediately he’s leaning back against the back room wall for support. The cocksleeve is warm and wet and tight on him.

But it’s the idea of Shiro’s come slicking the way that’s got him woozy. He pulls the toy off and looks down to see the mess.

A moan almost breaks free. He plunges back into the toy almost feverishly. His cock pulses hard and he knows he won’t last.

So instead he just starts moving it on himself, pressed against the wall, eyes closed, losing himself to the feeling of it.

The sound urges him on too. It’s so wet inside there, and Keith imagines this is how wet he would be if he let Shiro—

He gasps, fucking the toy faster, letting it squeeze and suck him. He’s never used one of these before but he can see the appeal now, it feels AMAZING.

His orgasm approaches quickly and Keith doesn’t slow, panting against the wall and fucking into the toy. He thinks about after, about sticking his tongue into the mess of both their spills and—

He’s going to come, he’s so close and it feels so fucking good and—

“Enjoying something that isn’t yours?” Comes a low, stern voice.

Keith’s eyes fly open, and he turns to see the bathroom door ajar, and standing there is Shiro.

(Going to bed, the thrilling conclusion comes tomorrow)

Keith freezes. His heart jumps and his stomach twists and the orgasm that was so close just falls away.

Shiro steps into the room. His eyes are dark and watchful.

“Ah—“ Keith’s brain has stalled. He’s still buried in the toy and he knows there’s no explaining it away.

Shiro steps closer again, & then is putting his hands against the wall on either side of Keith, trapping him.

Keith has to shut his eyes when he feels Shiro’s chin hook over his shoulder & look down. Down at where Keith’s all the way thrust in.

“Hm?” Comes a voice in his ear.

It makes Keith shiver, his breath comes out hot and audible.

“What are we to do about this?” He asks, but Keith knows it’s not a question. Shiro steps in, fabric touches Keith’s ass. “Maybe to make it fair I should enjoy something of yours?”

One hand drops down & before Keith can even get a breath Shiro’s hand is wrapping around the toy and pulling it slowly,slowly, off Keith’s cock.

Keith moans, helpless.

“It feels good doesn’t it? Nice and warm and wet.”

Then he pushes back down, sliding Keith’s cock back in.

Shiro’s hand comes off the toy and Keith nearly fumbles it before he takes control again. But Shiro doesn’t back off, the hand moves then to Keith’s hips.

“So what do you think? Can I play with something of yours?”

Keith must say something that sounds like an agreement, but he’s burnt up and dizzy in the head.

It’s just the next thing he knows one of the bathroom cabinets has been open and shut, &Shiro’s hand, when it touches his ass, is wet.

“Feet apart for me,” shiro says. Keith does.

Keith otherwise doesn’t move. He’s dangerously hard inside the toy, afraid as Shiro’s fingers begin to press inside that he’ll come.

“Tight,” shiro says. “Gonna be a perfect little cocksleeve for me, aren’t you?”

Keith bows his forehead against the wall. “Shiro,” he pants.

“Made such a picture, rutting into that toy,” shiro says as he fingers Keith open. He leans in close again, 3 fingers deep inside Keith.

“But what was it that got you so hot baby? Was it that the toy was used? The taboo of it? Or was it because it was me, hmm?”

“Because i couldn’t help but notice when you were being so loud.” Shiro pulls back enough to remove his fingers. Keith feels the blunt head of Shiro’s cock against his hole. “And you didn’t even lock the door.”

Anything Keith was going to say leaves him as Shiro pushes in.

It’s not a slow or careful fuck. Shiro grabs his hips and /plunges deep/.

Keith cries out, overwhelmed and too hot. Shiro’s huge and while there was prep it was fast, too fast. Keith feels everything.

“That’s it. Now,” shiro reaches around and gets Keith to move his hand

and the toy. He positions it and then grunts, “stay.”

Keith’s too lost to do anything else but listen and hold on. Shiro then pulls his hips back and fucks back in, making Keith fuck the toy.

He does it again and again. Keith moans.

“Fuck,” shiro growls, picking up the pace. “So much tighter on me.”

He presses in, crushes Keith against the wall & fucks him. It’s rough and fast, and Keith can’t help but imagine it’s just as shiro fucked the toy.

“Gonna fill you just like the toy, that’s what you want, hm?”

And Keith’s... losing it. His cock is shoved ruthlessly into the toy, slick still with Shiro’s come. Shiro’s cock is demanding, taking all the space in him, making the pleasure sharp and electric.

Shiro uses him & all he can do is make nonsense sounds and try to stay standing.

“You can have this anytime. I’d love to have a personal cocksleeve,” shiro says into his ear. “Fuck, so fucking /tight/.”

He makes some sound that just ruins Keith. It’s the last straw and I’m the next thrust Keith’s cock is pressed into the toy and—

He comes.

Shiro curses as Keith spasms with the pleasure. He’s spewing filth in Keith’s ear about how he’s going to fill Keith, and Keith can barely hear him. He comes into the toy, shock after shock of it.

And then Shiro pressing him in tighter and staying deep and there’s a throb,

and heat. Keith’s orgasm is just beginning to fade, but he feels every moment of Shiro’s. His is like a storm, rumbling between them.

Then Shiro’s panting against his neck and pulling his cock out.

Shiro keeps a supportive hand on Keith’s hip as he pulls away. Keith is grateful for it because he feels ruined in the best way.

“Clean my toys up,” shiro says, “then bring them back to my bed.”

Keith turns his head to see a wicked, satisfied smile on Shiro’s face.

He nods, dazed. Keith feels the come begin to leak from his messy, stuffed hole.

/END

As always, if you want to toss a coin to your witcher, grad school is expensive and I thank you endlessly 🥰

ko-fi.com/an_aphorism