Cw: omega! Deku, alpha! Kacchan, intersex omegas, mpreg, nsfw

Deku really, really wants to get pregnant. He just wants his alpha to fill him up with his seed, truly knot him. Then he’ll have his alpha’s pups inside of him, all round and happy.
The problem is that Kacchan keeps saying no. Okay, maybe the real problem is that they’re 16 and still in high school and training to be heroes and even though Kacchan /does/ want to impregnate his omega. (God, he really wants to fucking cum inside of him.)
He knows that it’s a bad idea. They’re too young and they’re still training to be heroes! However, it doesn’t matter how many times Kacchan tells Deku this, Deku doesn’t listen. He keeps asking. Begging.

“P-Please...please, please, please, alpha!” Deku sobs as Katsuki’s
large alpha cock pounds into his tight omega pussy, dirty squelching and loud slapping sounds filling the room as Katsuki fucks Deku in all the right places, his knot already swelling and throbbing with the need to be shoved inside of Deku’s fat cunt. Deku wants it so bad.
“P-put...nnn! Put a b-baby in m-me, Kacchan! Please..” Deku cries and squeezes his cunt around Katsuki’s cock in attempt to keep him there because he /knows/ that Katsuki is going to cum soon. The little brat.

“W-Wannaaah!! Be...p-pregnant with youre..nghh..pups!” Deku babbles,
but somehow Katsuki hasn’t fucked him stupid enough to stop talking.

“Fuck! Ah, shut the fuck up!” Katsuki yells as he fucks into Deku particularly hard and makes the omega scream. Katsuki takes that as a chance to shove his fingers deep into Deku’s mouth, choking him and
keeping him from talking again. He’s afraid that if Deku keeps going...says some other shit or calls him ‘alpha’ or even ‘daddy’ he’s not going to be able to control himself. They’ll regret it. Deku will especially regret it when he can’t even graduate because he’s pregnant.
“Stupid. Fucking. Omega!” Katsuki punctuates each word with a hard thrust, growling and digging his nails into Deku’s tiny waist to hold him down. “Such a fucking slutty omega...ah..you never shut up unless there’s a cock inside of you! Even now you won’t stop fuckin’ begging!”
He groaned as his orgasm started to approach, ripping his cock out of Deku’s tight and welcoming hot pussy with a loud and frustrated growl. Katsuki jerked himself off hard over Deku and finally came with a loud groan, his seed spilling all over Deku’s stomach and chest.
Deku whines around Katsuki’s fingers, crying because of the loss of a cock filling him and all of the seed he wasted.

Katsuki pulled his fingers out of Deku’s mouth and panted softly, looking over his boyfriends gorgeous face. He was flushed all over, makinf the freckles stand
out more all along his body. There was sweat and spit and tears and cum from earlier all over him but Katsuki liked the look. Especially because he looked absolutely brain dead, fucked to nothing but a sloppy dirty messy on their bed, leaking all over it.
But apparently he wasn’t fucked stupid enough because Deku started crying. And not tears of pleasure. It made Katsuki’s heart ache.

“Oi! Why are you crying?!” Katsuki barked, frantically wiping at Deku’s thick tears.
“K-Kacchan....d-doesn’t want a family want me..” Deku sobbed, post sex omega emotions taking over him. “I j-just want to have a baby with Kacchan..” he hiccuped. “B-But Kacchan doesn’t wa-..want it!”

Katsuki stares at Deku for a moment, feeling guilty for making his omega
cry.

“Tch....such a sensitive omega..” Katsuki grumbled, but he purred comfortingly as he leaned down to press gentle kisses to Izuku’s wet cheeks. “Of course I want a family with you. Of fucking course I want to have pups.” He assured and massages Deku’s thighs gently.
“And we will...one day I’ll fuck you so hard and knot you so many times, fill up that pretty pussy of yours, there’s no fuckin’ way you won’t get pregnant. Then...” Katsuki kissed down to Deku’s neck as his omega’s cried quieted. “you’ll be all round and cute..waddling around
“our home. I’ll give you as many fuckin’ pups as you want and you’ll be my cute little house wife.” Katsuki spoke fondly, his alpha preening at the thought. He pulled back to look down into Deku’s eyes. “One day. I promise, baby cakes, we’ll have a family.”
“Just...not right now. We’re too young...and I don’t wanna do something we might regret. I wanna be stable and have jobs and shit before all that. So I can be a good alpha for you.”

Katsuki swore he never spoke this much, but everything he said was true. He wanted a family
and pups just as much as Deku. He was just trying to be smart about it and not let his instincts get to him.

“But you gotta stop fuckin’ doing that, shitty Deku!” Katsuki suddenly growled, pinching Deku’s thigh, making him squeak.
“You can’t go beggin’ me like that every time, calling me alpha! It’s not fair!” He scolded, biting at Deku’s cheek and making him squeak again.

Deku sniffled softly and gave Katsuki a small smile. “M’sorry, sorry....okay. I wont do it anymore..” he apologized and Katsuki
huffed. “Good. Now stay here, silly omega, while I go get some shit to clean you up with.”

As soon as Katsuki was gone Deku sat up a little bit, glancing down to the large puddle of cum on his stomach and chest. His alpha came so much...it should be somewhere safe...
He bit at his lower lip and glanced to the bathroom before quickly making his decision without a second thought. Deku scooped up all the cum on him and pushed it all the way down to his still wet and sensitive pussy, all puffy and red from abuse of Kacchan’s cock.
Then, Deku shoved the pile of cum inside of himself. He gasped softly, holding back a whimper so Katsuki wouldn’t come back so soon, but Deku still worked fast. He fingered the cum inside of his pussy, trying to get it as deep as he possibly could.
Deku wanted to be pregnant now. He didn’t want to wait. So he’d do what he had to to get what he wanted.

He ended up cumming on his own fingers again as he fucked his alpha’s cum into him, hoping and praying that it would take. He pulled his fingers out of his mouth and licked
off his own slick and katsuki’s cum, getting caught by his alpha in the process. Deku presses his thighs together subtly.

“Oi! Where did all the spunk go?” Katsuki asked as he walked over with the wet towel.

Deku giggled and pulled his fingers out of his mouth. “Inside me.”
He joked to Katsuki, making the alpha blush and grumble as he cleaned Deku up. Of course he has no reason to clean Deku’s pussy. He hadn’t came there. “Nasty perv...” he muttered.

Once they were all cleaned up Deku fell asleep in his alpha’s arms, cum dribbling out of him and
into his panties, a soft smile resting on his face. Kacchan was completely oblivious.

He was going to have a family with Kacchan soon. He just knew it.

End! I hope you enjoyed! :D

Deku definitely kept doing this without Katsuki knowing until he got pregnant heh 💓
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