Thread by @An_Aphorism

#sheith, nsfw, d/s, light consent play within d/s, sex toy, figging

The toy is Olkarian, and after making their way through human and galra toys, Shiro thought it would be a nice surprise.

Plus they’d been marketed in the shop as “organic” and had been good for

“Sensation play”. Shiro remembers how much Keith had enjoyed the Galran sensory gel. It had made his cock so sensitive that even with the cockring Shiro had been able to get him off multiple times with just a fingertip playing with his cockhead.

That had been a good, good day.

So he orders the new toy, and when it arrives he responsibly reads all the directions. He takes his role as Keith’s partner and Dom very seriously, and with alien things it’s better to be safe than sorry.

He texts Keith a photo of the toy when he’s finished.

“Got someone for you.”

It’s intimidating in the photo, much, much too thick for Keith to take, but Shiro grins and sends the photo anyway.

He’ll wait until much later to reveal that this toy, per the instructions, is meant to be whittled down to a custom size.

It had been one of the selling points for Shiro, being able to shape the toy just as he knows Keith will enjoy.

“That’s... big,” Keith replies.

Shiro laughs and sends back, “I know you can take it baby. For me.”

Keith doesn’t respond, but Shiro knows he’s blushing anyway.

##

Keith tries not to think too much about the photo Shiro sent during his workday, but admittedly isn’t that successful.

He trusts Shiro implicitly, but the size had been... intimidating. Keith’s never— at least not that big.

Still, he’s got a nervous and excited energy

by the time he finishes work and gets home. Shiro’s introduced him to a lot in the bedroom, and even when Keith is unsure, Shiro guides him through it. Keith no longer even tries to keep track of how many new kinks the man has given him.

“Hey baby,” Shiro kisses him

when he comes in. “I made dinner.”

They eat and relax, and when it’s about time, Shiro directs him to ‘go get ready for bed’.

Keith does, showering and brushing his teeth and ignoring his half hard cock as he does so. When he comes back to the bedroom Shiro is

seated there, their box of toys closed beside him.

“Come here,” Shiro says. This is how a lot of their play begins.

Keith’s in briefs and a tee, he walks slow and barefoot to Shiro. Shiro’s hands settle on his hips, pulling him in between his legs.

“Anything you want to talk about?”

It’s a check, one that isn’t so much for Keith, as it is for Shiro. Shiro is so good that way.

Keith shakes his head. He’s a little uncertain, but he has his words and his signals should it come to that. He puts himself in Shiro’s hands.

“What was that?” Shiro asks. His hands tighten slightly, thumbs pressing in at a good pressure.

“No, sir.” Keith amends.

His reward is one hand sliding up and pulling him in, a kiss is put to his lips.

“Better,” Shiro says.

They share kisses back and forth,

each hotter than the last. Shiro tilts back until Keith cant help but climb into his lap for more.

The arms that encircle him then are a bonus.

“Been thinking about what I got you?” Shiro asks when he pulls his mouth away for a breath.

“No,” Keith says just to get the

playful swat against his ass.

“Hm, you’d think with what you know is coming you’d be a bit sweeter.”

Keith bends his head to nip at Shiro’s throat right where he’s most sensitive. The man makes a deep sound.

“I don’t think you love me because I was sweet.”

Shiro laughs at that, and the sound makes Keith’s belly flutter.

“No, I suppose not.”

Shiro meets his eyes and the memory of their last scene blooms around them. It had been all about Shiro wrestling Keith down into submission and /taking him/. There had been nothing

sweet about that, and Shiro had loved it. Keith had privately preened over his bruises for nearly a week after.

Before Keith can respond with something else smart, Shiro’s hands tighten and then Keith is moved off Shiro’s lap and down into the sheets.

He hits the bed on his back and gasps. Above him Shiro pulls off his shirt one handed.

Fuck it’s hot, everything about him is always so goddamn hot.

“I would put you on your hands and knees for this,” Shiro says as he reaches for the box,

“but I want to watch your face as I fuck you until you cry.”

He’s only managed it once, an occasion in which Shiro tied him up and played with him for hours until Keith was so overstimulated he couldn’t help but break. That had been a strange pleasure and relief,

and he wonders if Shiro can reproduce it now.

The idea of it makes Keith’s cock twitch.

“Think you can?” Keith smiles with all teeth, baiting the man.

A length of cord is drawn out of the box.

“I guarantee it,” Shiro says.

Shiro pulls Keith’s shirt up and off, then makes quick work with the rope. He’s self assured and well practiced. Keith plays at being difficult just to feel his strength press down and wrap tight with the rope.

Not too tight though. When he’s finished shiro runs two fingers

under to check. Stars, Keith loves him.

When he leans back to look over his work, his eyes rake down Keith’s body. They stick on his briefs that are very obviously distended.

“You look good enough to eat,” Shiro says.

“Am I on the menu?”

Shiro’s fingers pinch one of his nipples, and Keith startles at the bolt of pleasure.

“Later maybe. For dessert. First.”

From the box then he pulls out the toy. It’s... smaller than the picture, and more shapely. His confusion must immediately show

because Shiro grins.

“I was teasing you before,” he brings the toy closer so Keith can see. “It’s customizable. Comes bigger and you whittle it down.”

For some reason that makes Keith flush hot. He isn’t sure if it’s the slight disappointment he won’t be made to

take something that big, or that Shiro has spent time making this toy into a shape he thinks will please Keith. Maybe both. It’s hard to tell sometimes what’s Keith’s personal kinks and what’s just his enormous attraction to this man.

“But,” Shiro goes on, dark eyes

staring into Keith’s, “if you want a bigger size, we can certainly try that in the future.”

Keith practically gulps, has to swallow hard and pull at the bindings to feel them steady him.

“Um.”

“Something to think about,” Shiro says innocently.

The man grabs a pillow then and man-handles Keith, lifting his hips and sliding the pillow under.

“Comfortable?” Shiro asks when he finishes. Keith wants to bite him.

Hands go to the band on Keith’s briefs, his eyes stay on Keith’s face though. He looks expectant.

“Yes,” Keith says, and arches his hips. He knows Shiro loves to take his time and Keith both loves and hates it.

“Yes, what?”

They’ve only just started but Keith wants to curse. Shiro’s in rare form tonight and it’s... affecting.

“Yes sir.”

The briefs come off. It’s only a small relief, because what comes next is the /touching/. It’s casual, possessive, and stays well away from Keith’s cock.

Keith groans and bites down on pleas as Shiro works him over. It’s not new, but Keith never seems to have any barriers

against it. There’s kisses, light and heavy touches. Shiro spends time on his throat, his nipples, and the trail of hair heading down his abdomen.

“Shiro!” Keith grates out when his cock has leaked a literal puddle on his belly.

“Patience, baby.”

Eventually he does get to the lube. This takes time too though. He pushes into Keith with just one finger at first, barely anything. Keith tries to shift into a good angle, but Shiro thwarts him.

It’s a slow push in and out that drives Keith to finally cursing.

Shiro only hums and then pushes in a second finger.

It goes on and on until Keith feels as if he might break before they’ve even started.

Then, “you’ll have to tell me how you like this shape.”

Something blunt and much thicker touches Keith’s slick hole. He nearly trembles.

##

Shiro’s favorite parts of scenes are when he can draw it out. He likes to take his time looking and touching Keith.

So he makes the penetration slow. Pushes in just millimeters at a time, watching as Keith’s face shifts to express how it feels.

It’s heady, the power.

Shiro carved the toy carefully, recalling the shape of some of the galra toys Keith had responded to best. Although thinned somewhat, he did leave it thick enough for Keith to really feel it.

“Fuck,” Keith gasps when the bulbous head slides all the way in.

“Good?”

“More,” a demand.

Shiro stays at his own pace, pulling back a little and then continuing the slow fuck in.

“Ah, it’s—“ Keith bites his lip.

“Big?”

“Feels... different.” Theres a furrow to his brows.

Shiro hums, he pets at the trail of hair just above Keith’s cock.

The next push gets another gasp, and Keith’s knee rising from the bed. Shiro pushes it back down.

“Sensitive today,” he notes.

“It’s—“ Keith’s hands move before he remembers theyre bound. “It’s tingling?”

This catches Shiro’s attention. He looks at where the toy is more

than halfway inside Keith. Fuck, it looks so good.

“Where?” His hand goes to touch the rim and Keith jerks. “Hurts?”

Keith shakes his head. “Yes. But no. I don’t—“

Shiro looks him over with an acute eye and then subtly touches the bare skin of his belly with the prosthetic.

It takes a quick reading and displays it on the small screen for him.

Higher than normal biometrics, but nothing that’s worrisome. Shiro even checked for allergic reaction since this toy is of organic material.

Whatever it’s doing, it’s not health-dangerous.

“Do you need to stop?”

He wouldn’t normally offer such a clear out. Neither of them like interrupting a scene, but sometimes with a new toy it’s worth it. Keith’s safety comes first.

Keith shifts and the toy goes deeper. He hisses. “N-no.”

Shiro looks him over again, and

makes an entirely different deduction.

“You like it,” he says. Statement not question.

He slides the toy further in and Keith’s mouth drops open. He makes a sound that fizzes down Shiro’s spine.

“Hurts, but you like that.” He makes his point by quickly shoving the

rest in, until the larger grippy end is the only thing outside Keith.

Keith jumps hard, legs shifting almost thoughtlessly in the sheets. This is the way he looks near the end of scenes, abandoned to himself.

It makes Shiro hungry for more.

##

“Beautiful,” Shiro says. Keith swallows hard and tries to figure out exactly what Shiro is referring to, but it’s getting more difficult to parse by the second.

The toy is burning. First it felt just like the ache of being opened up, the sweet please-pain he was so used to.

But then it just kept growing. With every bit that was pushed into him, the tingling grew into heat and then into fire. It’s burning him now but—

Despite the sounds and curses falling from his mouth, Keith doesn’t use his words. He doesn’t double tap.

He can feel Shiros

eyes on him, dark and covetous. He likes it. Likes to please Shiro, likes to... suffer for him. This way though, only this way. Where he knows he’s safe, there’s no actual danger.

Shiro gives him just a moment to recover from taking the whole thing before he starts to pull out.

“Is it getting worse?” Shiro asks, but he sounds far from worried now. He sounds interested.

Keith’s hands claw into what sheets he can grab, still bound. It is, it is increasing, like a burn up through the middle of him.

“Ye—ah!”

The fuck back in is just as good. Or bad.

Keith can’t tell it’s all getting mixed up in his head. It hurts, but he grits his teeth against any words that would make it stop.

Shiro swears, low. The toy starts to move faster.

Keith writhes against it, body moving out of his control. A hand presses him back down and

he’s grateful. Shiro fucks into him again and again.

Keith’s no stranger to pain, but this is so different and invasive. Shiro nails his prostate and he shudders, his cock smacks wet against his belly. He wants it to stop. He wants more—

Fingers pluck at his nipples

and he almost screams. The sensitivity is intense. Everywhere. It’s not just the pain, it’s his nerves. They’re alight, tuned in in the way he only gets after a very, very long scene.

“Fuck, you’re so hot baby,” Shiro growls. “I know it hurts but you take it so good.”

Keith’s eyes open, he doesn’t remember closing them, and Shiro is above him. He’s watching Keith’s face, he looks like he wants to eat him.

There are tears suddenly in the corners of Keith’s eyes. The pain is tearing into him with every deep stroke in. /Fuck/

Keith has to shut his eyes again to bear it. It’s not worse than the serious wounds he had during the war, far from it, but it feels like it seeps in deeper.

Or maybe it’s how he’s laid out for Shiro, letting Shiro do this. He can’t block it out like he would with normal pain—

Doesn’t even think he wants to.

“Burns,” he gasps. “Sh-iro.”

He can practically feel the frenetic energy coming off the man above.

“You can do it,” Shiro says, fucking him faster and faster with the toy. Keith’s whole body is buzzing with it. “You’re doing so well.”

The whine that Keith makes then is new. He shifts madly in the sheets, claws tearing at fabric.

The tears finally drip down his cheeks and the next hard breath sounds like a sob. Before he even realizes it, he’s shaking his head.

He doesn’t mean it, or he does. He doesn’t

know. His head is so loud with sensation, with pain.

“I can’t,” he hears himself say. “I can’t, I can’t, Shiro!”

There’s a too soft kiss to his wet cheek. “You can,” Shiro’s voice against his ear. “Just a little more baby.”

Keith’s knee knocks into Shiro’s hip and the man kisses the corner of his eye.

“You look fucking amazing like this. Just a little more, for me.”

Keith gasps and pants, tears trailing down his face as the fire presses over and over inside him. It’s still growing,

still tearing down things he didn’t know he had inside him.

A hand on his chin tilts his head and then Shiro kisses him, full on the mouth. It’s ravenous, tongue dipping into his mouth, while Shiro’s hand wanders down his body.

The one is still moving between his legs,

never slowing, never pausing.

Keith—

A hand wraps around his cock and then Keith does scream. It’s swallowed at once by Shiro, who kisses him as he begins to come.

It’s utterly flattening. The pain jackknifes into sharp pleasure and he’s spilling in Shiro’s hand,

moaning and whining and crying. He’s never had an orgasm like it, so knife-edged.

But /fuck/ it runs through him over and over as Shiro’s eases him down. The toy is slipped out and the hand on him slows.

He feels like he’s in pieces. A blank nothingness. Even the pain

has now receded. It’s lovely, the relief and break of it all.

He hears at a distance Shiro moving, a slick, quick sound and then feels the heat of Shiro’s come on his belly.

The man is tucked against his throat panting, groaning. It gives Keith a nice, full body shiver.

##

Maybe Shiro should have waited for Keith to come around, but the moment he’d broken under Shiro’s hands, it had been too much.

He’d guided Keith down and then haphazardly undone his fly to get a hand on himself. It hadn’t taken much, the visions of Keith so

beautifully taking it for him were overwhelming. Keith had cried out, but endured because Shiro asked him to. The rush of that power, that trust, were delicious.

He’d pressed his face into Keith’s neck and come, stroking himself across Keith’s belly. The orgasm had been

perfect, and then raising himself back up to see Keith, eyes closed and quiet, had been more so.

While Keith was down, Shiro did the cleanup. He tossed the lube and toy back in cleanup bag, and then got them and the toy box off the bed. There was a damp wipe he’d

set out before, and he uses it to clean off Keith’s belly and then down between his legs. He doesnt know if the burning has stopped, if Keith will need a cream, but its better than nothing for now.

Cleaned, he then gently unties Keith’s hands. The man is breathing slowly,

and offers no resistance. His wrists are a little red with the binding and pulling, but not too bad. That had been the first thing Shiro had been sure to get good at.

He massages Keith’s wrists anyway, and then slowly begins to work his arms back down, letting his body

go naturally, rubbing around his shoulders to encourage blood flow.

Keith makes a soft sound.

The last step is moving the pillows and getting the comforter down and over Keith. Shiro ditches his own pants and shirt, scooting under the blankets as well.

He puts an arm over Keith and curls him in. Keith comes, pressing his nose into Shiro’s throat and sighs.

The silence settles. Keith will need water and a snack in a bit, but for the moment this is good.

Another sound comes from the dark tangle of hair.

“Good baby?”

There is a hum, and then a kiss against his skin.

“New kink unlocked,” Keith says. His voice is wrecked. Shiro laughs.

“Yeah,” he says. “Same.”

/END

Whew! If you liked this, I have a kofi for tips, and this is the last week the bundle will be available, so jump on it if you want it!!❤️ 🥰

https://twitter.com/An_Aphorism/status/1340069879785861122