naturallydeca
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Pressure
🕑 Added 2021-06-01 03:27:57 +0000 UTCFandom: BNHA
Pairing: Deku/Katsuki
Rating: Explicit
Tags: Noncon, blowjobs, anal sex, u/ nderage, Pro!Deku, MS!Katsuki, rough sex, size difference
Summary: Pro Deku doesn't ask for a lot but having the time to train his cute Kacchan is something he insists on
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The bathroom door swung closed with a quiet click. Sneakers squeaking across the polished floor walked down the hall in some direction – it didn’t really matter to him where they were going, only that they were leaving. Deku waited a few moments, head cocked, ears trained to pick any noise that might indicate someone else was coming along to ruin his fun then, when he heard nothing, sighed. Of course they’d get interrupted just as they were getting to the good part. Though, he supposed that was a hazard of doing something like this in the school’s bathroom. Even if it was after school had let out, there were still clubs, sports and other activities going on. Really, he should’ve expected this and planned better but who could blame him for being so rash? Next time, though, he would need to move them to a more secluded location before indulging himself.
“That was a close one, huh,” Deku smiled, turning to look down into the bright red eyes glaring hatefully up at him, “Kacchan?”
Silence was all he got in response – not that he was expecting any. Kind of hard for Kacchan to talk with his small mouth completely stuffed full with Deku’s cock. His little spitfire sat on the toilet, naked and trembling, his hands bound behind his back – safety precaution since the kid had tried to blow him up a couple of times. His grin broadened. Ah, he was so cute! This right here was the reason he could never really control himself, especially considering it been close to a week since he’d been blessed with this tight, wet heat. Fulfilling his dream of becoming the greatest Pro this world had ever seen definitely had its perks but one downside was not a lot of free time…or, at least, what down time he did have was usually after Kacchan was within his reach. The kid was a sneaky one – he knew how to steer clear of him without giving any hint to his teachers, friends or parents about what was going on.
Couldn’t outrun him forever, though. Chuckling underneath his breath, Deku leaned down to brush a kiss against Kacchan’s sweaty, hot forehead. The kid didn’t move or make a sound. Pressing a hand between his shoulders blades, marveling (as always) just how tiny Kacchan was in comparison to him, he smoothed it down the line of his spine until he reached his bare bottom. Kacchan jolted when his fingers brushed over his drenched, soft hole. Good, the pill was doing its job. His size had a lot of benefits but, just like being a Pro, it had its downsides. Training Kacchan’s throat to take his cock without issue hadn’t been easy but it had been doable. Getting this hole down here adjusted to his size was another story. No matter how many times he stretched him out, it was like his defiance was showing in the very muscles inside his ass, always returning him back to a tightness that could take hours to loosen up.
He never had hours to play with Kacchan, unfortunately so that was where the pill came in. Pushed in deep and given a few minutes to completely dissolve inside him, it removed the need for extensive prepping, allowing him to fuck Kacchan as though he’d spent all those hours fingering him open.
“Think we’re about ready.” Deku said, straightening back up, “But first-“
Clamping his hands down on the sides of his head, he rasped, “Let me finish messing up this hole. You want that to, don’t you, Kacchan?”
Without giving Kacchan time to answer – again, not that he could – Deku began to roughly pump his hips, driving his cock in and out of his tight, wet mouth. Loud, wet squelching noises filled up the otherwise silent bathroom. With every thrust in, the head of his cock shoved past the back of Kacchan’s mouth to push down deep into his throat. He might not be able to see it at this angle – a worthy sacrifice to be able to see his adorable boy’s face – he knew from the hundreds of times he’d fucked his mouth that his throat was bulging out from the sheer mass of his cock. Kacchan’s eyes widened then clenched tightly closed. His brows lowered and his face scrunched up into an adorably vulnerable expression that Deku couldn’t get enough of. Panting heavily, fresh waves of pleasure coursing through his body, a steady stream of precum pouring out of his cock, Deku laughed huskily at the realization that, despite that unwelcome interlude, he was almost instantly right back on the verge of cumming. This was just what Kacchan’s mouth did to him.
“Ahh…Kacchan…feels so good! Your throat is so tight! You like this too, don’t you, Kacchan? You love having your throat stuffed full of my dick, don’t you?!”
Kacchan’s only response was to tearfully glare at him. Giggling drunkenly, that one gorgeous look spurning him right to the very edge, Deku grabbed a handful of Kacchan’s hair, wrenching his head forward. His nose smooshed to his pubic bone, buried in the mass of dark hair surrounding the base of his cock. Kacchan squealed loudly, his eyes widening. Gasping loudly, a powerful shudder wracking his large body, Deku shallowly pumped his hips a couple of times, keeping his cock buried inside of Kacchan’s throat, and came with a low moan. A bright burst of pleasure rolled out from the base of his belly, quickly tearing through the rest of his body in an immense wave of ecstasy. Kacchan gurgled and moaned around his cock. His eyes rolled back into his head. The color in his round, cute face darkened even further. With his cock pushed so deep down his throat, he didn’t even have to swallow. Heavy spurt after heavy spurt flooded into his belly.
Sighing happily, lightly thrusting his hips as the last drips of his orgasm dribbled out of the slit, Deku lovingly brushed the tips of his fingers over Kacchan’s sweaty forehead, “You’re so cute…did it feel good? Did you cum?”
Taking a step back, he slipped his cock out of Kacchan’s mouth. Gasping raggedly, his sloppy mouth hanging open, Kacchan choked out, “F-Fuck you…”
“Now, now.” Deku laughed, resting his cock on Kacchan’s burning hot cheek…or rather, on the left side of his face, completely obscuring it from view. Kacchan flinched back but with Deku still holding him, there wasn’t anywhere for him to go. Lightly bucking his hips to rub his length against his soft skin, the corners of his lips curled up in a fond smile, he murmured, “There’s no need for language like that.”
“Eat shit and die.” Kacchan growled.
Sighing in playful exasperation, Deku took another step back. He leaned down to grab hold of Kacchan’s hips, lifting him up off the toilet. Holding him high in the air so his feet were dangling several inches of the ground, he smiled brightly at him, “That’s no good, Kacchan. I’ve told you-“
In one smooth, quick movement, Deku spun Kacchan around in mid-air so his butt was facing him. Kacchan let out a sharp yelp and began to struggle in vain in his hold, kicking his legs out as though that would somehow dislodge him. Still grinning widely, a vibrant thrum of excitement beating inside his head, Deku lowered him down until the massive head of his cock bumped against his ass. Another sharp cry came rippling out of Kacchan’s throat, followed by an even more intense attempt to break free. Rolling his eyes, distantly wondering when Kacchan would realize that there was no point in trying to resist him, his strength and size would always win out over him, Deku pushed his head between his incredibly plump cheeks to grind against his tiny hole. A ripple visibly raced through Kacchan’s back muscles. His body tensed up in Deku’s hold. Dragging his tongue over his bottom lip, his cock twitching at the enticing sensation of being pressed so firmly to Kacchan’s sloppy, wet hole, Deku took a few moments to enjoy the anticipation – rubbing against him, pushing just a little bit to ease the very tip of the tip in.
“B-Bastard-!” Kacchan choked out, “Just do it and get it over with already!”
Normally, he would chastise Kacchan for being so impatient but…his patience was reaching its limit. He wanted to be buried deep inside this incredible hole already! And well, since Kacchan asked for it, it was only right to give it to him. Grinning even more widely, his heart hammering hard against the confines of his ribs, Deku waited just a moment more to make Kacchan think he wasn’t listening then, with a harsh grunt, wrenched Kacchan down, forcibly impaling him on his cock. Kacchan wailed loudly, his hands flying back to scrape and claw at Deku’s arms. He barely even felt it – the sensation of Kacchan’s incredibly tight hole closing in around him, squeezing him, milking him, practically crushing him was so intense that, as always, it was a miracle that he didn’t cum right away. Panting heavily, sweat rolling down his face, Deku began to rapidly move Kacchan up and down his cock.
“Kacchan-!” Deku moaned raggedly, “Feels so good inside you! You’re squeezing me so tightly! You want my cum that badly?”
“F-Fuck you-!” Kacchan howled, “Who would want something so disgusting?! Hurry up and get out of me!”
“Now, now, Kacchan.” Deku laughed low in his throat.
He pulled Kacchan all the way off his cock, spun him back around and pushed him up against the stall wall. Hazy red eyes, swimming with a just barely restrained lust, glared up at him. Grinning widely, shivering in delight at that beautiful look, Deku slipped his hands underneath Kacchan’s legs, pushing them up to his chest. Pressing his significantly larger body to Kacchan’s tiny form, he lead the head of his cock back to his entrance and slammed forward, driving the entirety of his length inside of his waiting hole. A screech of super-heated lust rolled through him at the sight of Kacchan’s already swollen belly bulging out even further as his insides were forced to accommodate the tremendous size of his cock. Kacchan squealed loudly, his eyes rolling back in his head. His teeth clenched together in a grimace. Drool rolled in thick currents down his chin. His small, plump penis, fully erect and weeping precum, swung back and forth from the strength of Deku’s thrusts.
“It isn’t good to lie.” Deku admonished him playfully, “This would all be so much easier for you if you just admitted how much you wanted it…how much you wanted me.”
“Screw you-!” Kacchan choked out through the gaps in his teeth. “Don’t want-! Don’t want this-! Fuck…fuck you-! Get…get your disgusting dick outta me! Get it out! I don’t-! I don’t-MNNGGHHHH!!!”
Every muscle in Kacchan’s body visibly tightened up. His eyes rolled back even further, showing only the whites. With a violent shudder, he came, spraying thick ropes of cum all over his bulging belly. Not too keen on letting him be the only one and seeing no reason to hold back since he had time for a couple more rounds, Deku curled his hands once more around Kacchan’s hips, slamming down to completely sheathe his cock inside his incredible hole. With a twitch and a loud moan, he came a second time, pumping a copious amount of semen into Kacchan’s belly. Panting with delirious joy, Deku greedily watched as Kacchan’s stomach swelled up even bigger, becoming engorged with his seed. Kacchan let out a keening cry, his hips bucking and shaking.
Exhaling shakily, Deku leaned down to brush his lips over Kacchan’s, “Your body is honest so why do you insist on lying to me? I promise, if you be honest with me, I’ll make it feel even better.”
“Burn in hell…” Kacchan mumbled, a dribble of cum stained drool sliding down his chin.
Chuckling, Deku straightened back up. He began to thrust his hips again, pounding up into Kacchan’s even sloppier hole. Oh well, looks like Kacchan was going to need even more training until he was as open as his hole currently was. Fine with him – while he was looking forward to breaking in his little spitfire, he would be lying if he said he didn’t enjoy this fierce fire. Let the boy fight against him all he wanted – there was no winning over him. He would push and press until he cracked underneath the pressure, becoming his perfect little plaything.
