Thread by @Bwildered_desu

#sukuita

Sukuna's voice has often echoed in his head since Yuuji consumed the curse. Annoying. Distracting. But as time goes on, Yuuji has learned how to tune it out pretty effectively, and the curse gets quieter and quieter. It's a small, peaceful relief.

That is, until Yuuji goes to sleep one night, exhausted from training, and finds himself in the cursed domain, looking up at Sukuna who sits cross-legged, relaxed, surveying him with disdain.

"You've been ignoring me, brat," he says.

"Well, you're really loud," Yuuji mutters.

Sukuna scoffs. "In my time, my words would make humans tremble with fear and respect. You haven't learnt that yet, but you will."

Yuuji crosses his arms, impatient. "Well? Did you have something to say to me? Is this going to be a regular thing?"

"I have to listen to your obnoxious chatter all day," Sukuna says, and there's a hint of amusement in his tone that Yuuji finds entirely unnerving. "I've decided to stake my claim on your nights."

"I can probably just learn how to ignore you here, too," Yuuji points out.

"You might find that won't be so easy."

As soon as he speaks, thick tendrils shoot out of the ground and the walls, catching Yuuji's limbs, pulling them apart and holding him tight.

Yuuji sputters in surprise and grunts, flexing his muscles against them, but there's not even an inch of give.

"You bastard," he grinds out.

Sukuna's lips curve up into a grin, and Yuuji does not like that look one bit; predatory, sadistic. And in control.

Sukuna uncrosses his legs and Yuuji notices with horror that his white robe is tented at the crotch -- no, no way --

"Oh, yes," the curse says, and his voice is laced with dark delight. Shamelessly, he brings a hand down and lazily plays with the bulge, eyes locked on Yuuji.

"Wh-what are you doing?" Yuuji exclaims, but his voice cracks in the middle of it.

"I told you," Sukuna says, impatient tone, but still stroking himself through the robe. "You ignore me during the day. You don't respect me. So I'm claiming your nights."

Yuuji knows he should look away when Sukuna parts the robe, and he wants to look away, truly, but he can't stop staring as the fabric gets pushed aside to reveal Sukuna's cock... Huge, and hard. It's so big. It's so fucking big.

"S-Sukuna --" Yuuji chokes out, shocked.

"Like what you see, brat?"

The question is entirely too confident.

"Don't..." Yuuji takes a breath, muscles straining against the tendrils holding him. "Don't be ridiculous!"

"We share a mind, stupid boy," Sukuna says, bored. His hand wraps around that cock, and some part of Yuuji wonders how it can look so achingly hard when Sukuna isn't even breathing heavily --

Yuuji can't believe it, but his body is reacting to the sight of it being skillfully, lazily stroked.

"You have no self control, brat," Sukuna says, low. "Your body is at that age where even the slightest whispered idea of physical pleasure will cripple you. So weak."

The curse's cutting words snap Yuuji out of the spell and he wrenches his eyes away, turning his head, but a tendril wraps around his forehead, forcing his head up.

"Your nights are mine," Sukuna continues, stroking faster, the sound of it echoing. "And so is your body."

"You won't ignore me anymore. I lay claim to part of your mind, which will wander to me."

Yuuji chokes on a moaning sound, immediately flushing at his own reaction -- this can't be right, he can't be this desperate that he's getting so aroused by watching Sukuna touch himself --

But it's as though he has tunnel vision, so keenly aware of that muscled hand gripping and twisting, the way the heavy balls are bouncing slightly with each stroke. Yuuji's traitorous cock twitches sympathetically, wanting attention and pleasure.

The thought of remembering this tomorrow, of being distracted by the memory in the middle of his day washes him with shame, and Sukuna laughs.

"That's right, brat," he says, voice scathing and tinged with pleasure. "Pathetic."

Even the curse's low, derisive voice is making Yuuji feel hot tingles of arousal in his stomach now, and he moans, embarrassed, letting his limbs hang from the tendrils holding them. How did it come to this? Why is he reacting like this? He has to keep this a secret --

There's no way anyone can find out about this --

"Good idea, boy," Sukuna says, mirthful. "I can tell your friends about your perversion. Oh, what will they think? How will you handle that shame?"

"No," Yuuji moans. "They won't believe you..."

"Do you think that?" Sukuna murmurs, squeezing the head of his cock, his muscled thighs tensing, fucking up into his own hand. "You don't think there's even a chance they believe me?"

"Fuck," Yuuji whispers. The doubt is there, tenuous and chilling.

"What do you want?" he hisses through gritted teeth. "A contract?"

"Mmm, yes," Sukuna muses, slowing down on his cock, seeming to draw out his own pleasure. "Let's make a deal."

"I won't use this information against you, if you swear that you won't resist coming back here tomorrow night."

Sukuna is trying to close off his escape routes, which means that Yuuji probably COULD resist this or learn to, or the curse wouldn't be looking to make the deal...

"If that's not enough to convince you," Sukuna murmurs, "then I swear that tomorrow night I'll use these hands on you, brat."

With that, he spreads his legs a little wider, strokes slow, twisting his wrist as he reaches the tip of his cock, thrusts up into his grip.

His free hand travels down to fondle his balls, playing gently with them, cupping them, and Yuuji gulps, his own dick throbbing with desire.

"Fine," he croaks. "Fine. I swear."

Sukuna smiles, showing teeth, making fear curl in Yuuji's stomach.

"Good."

Sukuna's grip tightens and his pace quickens, the lewd sounds of skin on skin filling Yuuji's ears as he stares, open mouthed, panting.

The curse makes a noise, a moan, and Yuuji feels it go straight between his legs, making his hips strain forward.

He watches Sukuna's cock twitch and throb, watches his thighs rock up, and then that huge dick is cumming, pulsing, spilling down the pile that the curse is sitting on.

Yuuji whimpers at the sight of it, his own cock throbbing jealously.

He lifts his eyes to Sukuna's face.

"See you tomorrow, brat," Sukuna says, smirking, and then raises a finger to point at him.

Yuuji feels his eyes roll up and close.

(WHOOPS this was supposed to be a tiny thread and it just kept going. I guess I'll edit this into a fic and probably add more elements of mind control stuff... First sukuita though. About time. Anyways, sorry for this trash.)