Thread by @rowanafterdark

Dabi has largely lived his life apart from sex. Not hard, when about half your face is burned off, and your body is 'unresponsive' at the best of times, and actively painful at the worst. There was no one he trusted, no one he was interested in, and the topic just

never really came up in his life. He knew the absolute basics--penis, vagina, baby--but outside of that, the whole thing was a mystery to him and one he was content to leave that way.

Until he began dating Kai. For a while, Kai made no real moves either, unaware of Dabi's

inexperience and waiting in a gentlemanly fashion for him to be ready. Better to let him take the lead, or so Kai thought, so he didn't push too many of the younger man's boundaries too soon.

Yet Dabi began to feel...oddly around him, sometimes. Like the day Kai spilled coffee

on his shirt and groaned, then stripped out of it evenly and tossed it aside for laundry, leaving every inch of his bare, well-muscled chest on display.

Dabi has seen naked people before. Shirtless men, certainly. But Kai--Kai is different, on a number of levels. For one, he's

simply the most attractive person Dabi has ever been around, hands down. His skin is faintly golden with an unexpected tan, and his muscles ripple beneath it enticingly every time his arms move. He's taken himself to a limit of physical perfection few people ever manage to

achieve, the kind that requires a level of self-discipline most simply don't have. Fine hairs scatter up the sides of his arms, and Dabi can't help but be fascinated with the way Kai moves, a classical sculpture brought to golden, divine life.

An odd sensation starts up in his

stomach, a faint tingle he can't quite put a name to, though the feeling isn't unpleasant. More like a languorous heat that stretches down his stomach and settles somewhere between his thighs. It occurs to him that he wants to rub himself against Kai, catlike, though to what end

he can't quite guess.

Kai looks up at him and there's something dark and knowing in his eyes, like he's in on a secret Dabi can't yet understand.

Then again, Kai Chisaki is a man of many secrets and dark corners of the soul. Dabi has learned not to pry into them,

and knows that if Kai wants to tell him, he will. There aren't any head-games with him, surprisingly enough; Kai is stunningly direct about what he wants, the things he expects. Every aspect of him exudes placid power and an effortless leadership, and Dabi is aware that he, like

many others, is drawn to the stability and promise in that strength.

There are other moments, too. When, in summertime, he watches a drop of sweat trickle down the nape of Kai's neck to stain the collar of his suit, leaving behind it a glistening trail. When Kai's hand rests on

the small of his back in a roomful of people, as though intent on keeping him close. Even that day as he watches Kai's nimble hands, agile as serpents, assemble a dismantled gun in record time. They're slightly paler than the rest of him, only by a shade or so, but Dabi can see

the line left behind by Kai's ever-present gloves at the wrist. Now, though, his hands are bare and it feels like true nudity to see the manicured nails flickering over the cold, steely parts, and to watch the tendons in his knuckles slide as he fits a piece into place.

It's as though a weight has settled in his stomach not uncomfortably, and the inside of his mouth goes dry, tongue heavy as he watches Kai. Looks at him. Feels...that thing, that want. Hunger, but not.

He assumes it's love, or his own twisted version of it.

It doesn't truly come up, though, until one day when they're in Kai's private apartments, himself splayed across Kai's lap as they kiss fervently. (He knows what kissing is. He's a virgin, not living under a rock.) Their mouths are blissfully wet and warm against one another, and

he likes kissing best because it feels as though he's really bringing Kai an enjoyment he can have nowhere else. The way that he looks when he's been kissed, the lowering of the dark fringe of his eyelashes and the rosy flush across his cheekbones is exquisite. Kai is truly,

unrealistically beautiful, but moreso when his lips are swollen from kissing and something akin to happiness warms his gaze.

This time, instead of pulling back to grant Dabi that sight, Kai slides his lips along Dabi's jaw and takes a territorial nip at the side of his throat.

It's like being struck by a thunderbolt. Liquid fingers of heat reach down his spine and writhe inside him delectably, and when the reaction strikes his stomach, it unfurls like a blossoming flower. It's like fear, but inverted--yet his heart is pounding as hard as if Kai had

pulled a knife. The same thrill he gets from the roar of a fire, the billowing, living heat and crackle of ignition, this is all of it and better. In his overwhelm, he pushes back against Kai, breaking them apart, unsure of what to do with the twisting need inside himself.

Gasping, he leans back and looks down his body to find with a burst of shame that the bizarre hardness that sets up between his legs at times is back. Of all the moments--he's never had it happen before around someone, but then again, he's never been in this sort of situation

with anyone before.

"Something the matter, doll?" Kai's voice is low and hoarse, rough like velvet rubbed the wrong way and definitely, absolutely not helping.

"I should--probably go to the bathroom or something," he mutters apologetically, casting a meaningful glance down.

Kai seems puzzled, and if the twitch in his jaw is any indication, a little upset. "...You're really going to go take care of that yourself, when I'm right here? You're more of a sadist than I took you for, love."

A sadist? What does that have to do with anything?

Then again, Kai is practically a doctor. Perhaps he does know something about how to fix this, rather than just...waiting for it to go away. Which is Dabi's usual solution.

"Is...something wrong with it? I mean, you know about medical stuff, right? Am I sick?"

For once in his life, Kai looks utterly stunned, and Dabi would be proud of finally flummoxing him if he wasn't so embarrassed and confused himself. "--That was stupid, I can just wait for it to go away--"

All of a sudden, Kai's hands are on his waist, tight as iron and pulling

him in close. In the small space between them, Kai's skin smells of citrus and cloves, and something deeper, earthier. Primal.

"You really don't know how aroused you are, do you?"

Dabi swallows, that dryness back in his throat once more.

"I'm...aroused?"

"Yes, by me. All this time, I thought you had no sexual interest--tell me, you're a virgin, aren't you? No one has ever touched you /here/ before?"

Kai's fingers wrap around the noticeable bulge in the front of Dabi's jeans, and it's like when he kissed his throat, but more.

It rips the breath out of Dabi's lungs, even through his clothes. A weak, unsure noise breaks at the back of his throat, and he ends up clutching at Kai's arm as his hips stagger forward and back, like they're unsure whether to stretch into the pleasure or away from it.

"Ah--no, no one has ever touched me there," he finally manages, even as Kai's fingers massage back and forth dizzyingly. Is this supposed to be making it better? The sensation is only intensifying, and it's so good Dabi almost feels like he shouldn't be indulging it.

"Good, and no one but me ever will. You are mine in this way too, and I am going to ruin you. Look at me--" Kai grips him beneath his chin, bare fingers chilled and strong as steel until Dabi's gaze meets his. "I'm going to take your virginity. I'm going to fuck you, and make

love to you, and this will belong to me always. You won't even touch yourself here unless I give permission, do you understand? But first, little one, I'm going to teach you to cum."

Dabi nods, even though he understands only part of it, isn't sure what Kai means by 'come' or

what sort of touching he isn't allowed to do.

But the promise to take his virginity rings in his ears, and he trembles under the weight of that burnished gaze. "I understand," he whispers on a tiny trail of breath, and Kai offers him a rare smile.

"That's my good boy."

"Now, turn around and put your legs on either side of mine--your shoulders to my chest," he instructs, and Dabi slides around, unsure of where this is going. Before he can ask, Kai's legs spread wide, forcing his even further apart, and on instinct he squeezes back, bolting.

"No, keep them open. Just relax, and trust me. This will feel good, I promise." Kai keeps promises, and even though Dabi's heart is thundering in his chest like it's trying to beat itself to death on his ribcage, he settles back until his shoulders are pressed into the plush

muscle of Kai's chest.

He's perfect, and on display. Kai's to toy with and ruin, to sully all his lovely purity until he cleaves only to one man. Until he learns Kai's pleasure like his own, and belongs solely to him.

A broad hand skates up his thigh, cupping the muscle here

and there, as though examining him. Inspecting. Just when Dabi's teeth sink into his lower lip as he expects Kai to cup between his thighs once more, the hand instead releases him and Kai holds it up in front of him. "Take my glove off."

This, too, is an intimacy.

Kai has never allowed anyone else to even touch the edges of his gloves before, and Dabi realizes that it's a show of trust in his own way for Kai to give this to him. Trying not to fumble, he reaches up and eases Kai's hand out of the glove, tugging the fingertips until it

slides free.

Then Kai's hand goes back down, deftly gripping his zipper and opening it effortlessly. When those fingers slide into his jeans and grip his shaft, Dabi lets out a pained whimper, even though it doesn't quite hurt.

"Tell me what you're feeling," Kai says against

his ear, voice even more strained than before, harsh and breathless.

"It f-feels weird," Dabi whines, hips trying to move again until Kai's free hand grabs them, holding him in place for his other hand to draw his cock out. So hard and swollen, Dabi wants to turn away

but can't stop looking. His flesh is fevered, and Kai's hand is a cool, smooth relief as those fingers circle the flushed head and pump once down the shaft. "It feels--oh, it hurts but it doesn't, I don't know--"

A haze comes over him, and his body falls slack against

Kai's once again, even as that terrible pleasure wells up inside him. Kai's fingertip pauses at the top of his cock, teasing the little slit there, until something clear trickles out of it and Dabi whines in shame.

"'m sorry, sorry--"

"Shh. It's only precum."

As he watches, the chilled fingertip circles the swollen head again, working the clear fluid in and then raising up to his lips. "Taste it," Kai orders in his ear, the same command he'd give for someone to pull a trigger.

Dabi opens his mouth, tastes salt and wanting on his

tongue, and shudders as Kai prods the softened inside of his mouth for a moment before drawing his hand free again.

Each stroke builds some sort of pressure, and soon enough, Dabi feels a tightening in his stomach.

"Kai, stop it...something's going to happen, stop--" he pants, hips bucking after the unfamiliar pleasure as the hand that was holding him in place instead slides up to fit under his shirt, toying and pinching roughly at one of his nipples. The hard nubs are sensitive

enough that he can feel echoes of each tweak in his cock, a powerful ache that has more clear fluid dripping out of the tip until Kai's fingers are shining and each stroke has a slick wet sound behind it. "Please, it's going to--"

Kai's teeth sink into his neck, and the lance of

pain wrings a louder cry out of him.

"Hold still and watch me make you cum. All you have to do is finish, little one." Dabi whines again, it really feels like he might--he doesn't know, but the pleasure and pressure keep winding tighter and tighter, but Kai won't release him,

and it all builds and builds until--

Everything in the world snaps apart, and he moans helplessly as he starts to cum. Pulses of something white shoot out from the end of his cock and splatter across the floor, and Dabi can only watch obediently as Kai's hand wrings

each drop out of him. It's as though every cell in his body goes up in flame at once and he tenses, shaking, trying to catch every last ember of pleasure. Even when it's gone, his body tingles and he trembles in aftershocks, collapsing back against Kai's chest. Ears ringing, he

turns to Kai for a kiss, a wave of emotion sweeping him in the wake of that ecstasy and wiping rational thought from his mind.

Kai is right, he'll want this forever.

When the tremors stop, he looks up at him with curious eyes, feeling better than he's felt in quite some time.

"I guess I should say thanks for that. It was...I've never done anything like that before, but it was incredible."

Kai's face is more flushed than ever before, but he looks satisfied as well, and ducks in to give Dabi a reassuring kiss on the lips.

"We'll do it again, and much more. As I promised. But first, you need a shower--and I believe I'll be joining you."