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May I fuck you, Kacchan?

Summary:

"You smell so good, Omega."

Katsuki's breath hitched as the scarred hands ripped off his shirt, buttons flying off. He could always say no, omegas had the right to. But he didn't want to.

"Please, Alpha...Fuck me."

Notes:

I like stories where alphas could just fuck any omega they want (with consent). public sex is cool in fan fiction but in real life it's really nasty lol. betas don't exist here btw

(See the end of the work for more notes.)

Work Text:

Katsuki tried to ignore it. The sound of skin slapping and omegas moaning out. This was the library, he needed to work on his homework. A cry made him roll his eyes, an omega two tables down finally cummed while the alpha continued fucking her. Her pussy was adding to the noise of squelching. Katsuki had chosen the table furthest away from everyone, tucked back in a dark corner. Only a lamp lit the area, giving it a homey feeling. It was around 9:00 p.m. so Katsuki was shocked people didn't just go home and fucked. Some people actually had to study. 

The sound of the librarian, Ms. Junko, was also heard. An alpha, someone in Katsuki's ceramics class, was fucking her. Katsuki got up from his seat, walking over to the area where Ms. Junko was to ask her a question. He didn't really want to but he had a question. 

"Ms. Junko, what time does the library close today?" 

Ms. Junko moaned as the alpha fucking her squeezed her nipples, thrusting his cock deep inside her hungry pussy. "Ah, around midnight. Possibly later!" She yelped as the alpha began to pick up the pace, angry that she wasn't paying attention to him anymore. 

Katsuki rolled his eyes once more before going back to his seat, continuing on with his work. It was silent and peaceful, if he ignored the cries, and he was able to get most if not all of his homework done. There was around 2 hours left before the library closed so he decided to take a break. He left his stuff to make sure no one took his table and walked to one of the vending machines outside the library. Outside was Ashido Mina, moaning as an alpha fucked her. 

Mina's shirt was pulled up, her breasts bouncing with each thrusts as her pants were torn apart. She bit her lip as the alpha, who Katsuki could tell was Todoroki with his two toned hair. Katsuki shook his head, ignoring them as he tried to see what he wanted to buy. Pressing the buttons for the soda and Oreos, he paid for it just as Mina cried out about how thick Todoroki's cock was. 

"Oh! You're so big, Shouto. Think you can fuck a litter in me?" She gasped, her legs resting on his shoulders as he quickened his thrusts. He clasped his mouth around her nipple while fondling the other one. The two paid no mind to Katsuki or anyone else that passed by, focusing on getting Mina bred properly. Katsuki couldn't help the bit of slick that slipped out of him. Despite not being into this whole public sex shit, he wanted what most omegas wanted. 

Who wouldn't want to get fucked silly by an alpha who would breed them? 

Katsuki just wasn't into fucking strangers. 

He quickly grabbed his snacks and ran off, not missing the scream of pleasure that rang throughout the college campus. Katsuki couldn't eat in the library so he went to the college park that had a perfect bench not too far from the restrooms. The park was beautiful at night with the nightlights that lit up the path walk for any late night walkers. He sat down on the bench that was basically made for fucking on by how long and soft it was. Katsuki ignored it and began to eat as he took out his phone to watch his favourite YouTuber, Kurtis Connor. Nothing happened for a total of six minutes before someone slammed themselves down on the bench right next to Katsuki, only an inch of space. 

"Hmm?" Katsuki muttered, looking up from his phone to see who it was. 

His breathing stopped. 

It was an alpha. 

The alpha was sexy. His face was obscured by his wild curly green hair, dressed in a simply black sweatpants and matching sweater. He was staring simply at his shoes, not paying Katsuki any mind. Katsuki simply thought he was on a midnight jog and just wanted a break. He probably didn't even notice the omega. Katsuki shrugged and went on with his video, drinking his soda before being interrupted again. 

"I'm sorry but can I have some of that...?" 

Katsuki blushed. The alpha's voice was beautiful. It was a mixture of deep and light. He had his hand out, pointing at the soda but was still not looking directly at Katsuki. Katsuki wanted to say no but decided to give it to him. The alpha took it and quickly began to gulp it down, shocking Katsuki. How thirsty was he? Katsuki blinked as the alpha handed him back the soda which was now half way done. The alpha sighed as he pulled back at his hair, his green eyes now revealed to Katsuki. 

Gosh, just how hot can this alpha be? 

"I'm sorry for bothering you but I just began to feel so weak..." The alpha said, wiping at the sweat covering his face and neck. He pulled at his sweater before taking it off, sighing in relief. Katsuki gasped. The alpha had no undershirt, no shirtless in front of the omega. There was silence for a moment, Katsuki's phone still playing the video of Kurtis. Katsuki was about to just go back to the library when the bushes behind them rustled. 

"Kirishima! Not so rough! Ah!" 

"Sorry, Kami! I'll go slower!" 

A scream was heard. 

"This is your slow?! Ngh!"

Katsuki blushed. Oh wow. There was a couple having sex not too far from them. 

"What's your name, Omega?" 

"Huh, Bakugou Katsuki." 

"Midoriya Izuku. You smell so good..." He slurred out, turning his body to face Katsuki as he roughly grabbed the omega's shirt. Katsuki gasped as the shirt was ripped open, his bare chest now out and proud for the alpha to see. Izuku hummed as he rolled Katsuki's nipples around, muttering on about something the omega couldn't make out. Katsuki gasped as he dropped his phone and soda, his hands reached up to grab Izuku's. 

"Izu...I'm..." 

"Omega, my rut is coming. I'm sorry but can I fuck you?" 

Katsuki gasped. He should say no. He can say no. Omegas had a choice. He wasn't into having sex with strangers but he couldn't. It had to be the way Izuku was staring at him. Glossy eyes that was evident of his rut nearing and his pouty lips inching close to Katsuki's puffy red nipples. He looked so cute. Katsuki huffed as he nodded, resting his hands on Izuku's shoulder as the alpha quickly reached forward and latched his mouth on Katsuki's nipple. 

"Izu!" 

Katsuki cried out as Izuku pulled and rubbed, sucked and bit his nipples repeatedly, only pulling away when the nipples were red and swollen. Bite marks covered the omega's chest, his chest heaving as he tried to calm down. Katsuki could feel his pussy clench around nothing. He desperately wanted to get fucked. Izuku pressed a kiss on Katsuki's stomach, reaching down to the omega's pants. 

Izuku was somehow still sober enough to not destroy Katsuki's pants, unbuttoning it to pull it down. 

Until the scent of another alpha knocked out any sobriety in him as he teared it apart. Katsuki cried out. He was going to have to walk around naked! The alpha in question was just Kirishima who was carrying a limp Kaminari. The two blinked at the angry look Izuku gave them. Izuku had crawled on top of Katsuki, pushing the omega to lay down on the bench. He was big enough to actually cover the nakedness of Katsuki. 

"Sorry!!" Kirishima quickly apologised and ran off, leaving the two alone with Kaminari in his arms. 

"Izuku...?" 

Katsuki gently touched Izuku's face, hoping that the alpha wasn't too far gone now. Sadly, he was. Izuku leaned into the touch, huffing out as he pulled down his sweatpants, his ten inch cock springing out. Katsuki gasped. There was no way that monster was going to fit in him. Katsuki flinched at the sudden pressure on his pussy. He glanced down to see Izuku gently rubbing against his pussy, occasionally pressing in a finger. Katsuki whimpered, watching as Izuku moved downwards his face now directly on top of Katsuki's dripping sex. He gripped Izuku's shoulder, staring at the alpha in shock. 

Most alphas just fucked during their rut, not caring a bit about the omega. 

But he actually cared. 

Katsuki couldn't help the tear that escaped his glossy eyes as Izuku licked the pussy that was drowning in slick in front of him. The omega gasped, covering his mouth to not scream out as the alpha began to eat him out. It wasn't soft and slow. It was rushed and hard as if Izuku wanted to physically eat Katsuki's pussy like a meal. Each delicious moan that left Katsuki's lips made Izuku purr with pride. His omega was preening in pleasure and he was the one to give it to him. Katsuki could feel himself getting close. Another lick at his sensitive clit would push him overboard. 

But Izuku stopped. 

"Huh...?" 

Katsuki screamed out as Izuku grabbed his legs and pushed them up to his shoulders, resting them on it. It was the same position Mina was in earlier. He felt himself blush as Izuku pressed his cock right against his pussy that clenched once more. Katsuki raised an eyebrow as Izuku missed his opening. He moaned as Izuku's cock brushed against his clit. Izuku frowned, pouting at Katsuki as if he didn't know why it didn't work. Katsuki reached down and pulled at his puffy lips, staring up at the alpha in front of him as he nodded. Izuku tilted his head in confusion but pressed his cock against his pussy once more, actually pushing it inside thanks to Katsuki. Katsuki groaned at the feeling. The cock was long and thick. How could anyone take this without being incredibly turned on. 

If Katsuki wasn't dripping so much slick, he feared he would've been torn apart. Izuku wasn't moving, staring at Katsuki as he took deep breaths. He looked to be thinking as never took his eyes off the omega. Katsuki mewled as Izuku reached down and kissed him, gently pulling his cock out before slamming it back inside. The omega cried as Izuku set a brutal pace, paying the screams beneath him no mind. Katsuki glanced at the look on Izuku's face. The alpha's face was focused, making sure each thrust and pull was hitting directly at the spot that brought out screams from Katsuki. Each thrust gave him a new delicious feel. 

Maybe Izuku was who he was waiting on to finally have sex in public. 

"Kacchan. Kacchan." 

Katsuki questioned the nickname, trying to speak but only mewls came out. He was embarrassed of the squelching and the slapping of skin that could be heard from just them. No wonder omegas cried out at each thrust. Even Izuku pulling half way out was enough to bring out a scream from him. Katsuki clenched down on Izuku's cock, feeling himself reach his orgasm. Izuku growled as he pulled out, flipping Katsuki onto his stomach. Katsuki cried out as Izuku continued on, slamming the omega forward with each thrust. Each thrust pushed the omega forward before being pulled back by his waist. Izuku's hands could touch from holding Katsuki's waist. Katsuki felt embarrassed as he tried to tell Izuku to calm down but his pleas fell on deaf ears. 

Izuku was too far gone now. 

The only thing on his mind was breeding his mate. 

His omega. 

Oh, the amount of pups he'll get. 

Izuku hoped they looked like Katsuki. 

Because Katsuki was the most beautiful omega he's ever seen. 

"Mine, Kacchan. Omega..." Izuku muttered in Katsuki's ears as he leaned down to press a kiss on his neck. 

Katsuki felt himself panic. Oh no. Oh no. Izuku was right near his mating mark. If he bit there, they'd be mated for life. They wouldn't be able to separate at all. Katsuki opened his mouth to say something but stopped himself. Was that really a bad thing? The omega in him was jumping for joy at being mated to such a hunk. How could he say no? Katsuki leaned his head down, allowing Izuku more access. 

Izuku purred at that and quickly bit his neck, placing the bond as he quickened his pace. Katsuki cried out as he moaned, the bite causing him a new level of pleasure he never thought he could experience. Izuku growled as he pushed in deeply once last time as he knotted the omega. Katsuki gasped as he cummed, the knot inside of him forcing it to come out quicker. 

He was pregnant. 

Being knotted while being mated was a guarantee for pregnancy. 

Katsuki mewled as Izuku licked at the bonding mark, licking up any blood that left the mark. 

"Mate...." 


Izuku hummed as he woke up from his nap. When did he fall asleep? He glanced down at who was underneath him before gasping. The omega he ran into earlier was naked and had a bond mark that looked too recent. He couldn't believe it! Did he...? 

A whine stopped his thinking as the omega was now looking at him. Katsuki, Izuku remembered, pressed a kiss on Izuku's lips. He released his scent to calm him down, purring at being so close to his newly alpha. Izuku couldn't help the sense of calm washing over him as he pulled the omega closer. The bench was big enough for the both of them and by the looks of it, it was still night time. They'd have to get up soon and quickly go home before Izuku's rut started again. 

Izuku groaned at something clenching his cock. He glanced downwards to see his cock engulfed in Katsuki's wet pussy that had residue of cum that had seeped out. Izuku blushed. He got a new mate and knotted him? Wow, he never he could ever do something so bold. Katsuki clenched around him again as he moaned. Izuku stared at him, wondering what the omega wanted. He knew newly mated omegas were hornier than usual and much more needier. 

"Fuck me, Alpha." Katsuki giggled, pressing a kiss on his neck. 

He shouldn't. 

They should talk this through. Talk about their new plans for life for the pup or pups on the way. Who should move in with who. Their families needed to know. So many things needed to be done. 

But they would be done in the morning. 

Izuku granted his omega's wish as he began to thrust lazily. He could feel his second phase of the rut coming back. So they'll have to spend another hour here. 

That was fine with Katsuki and Izuku as they began to fuck like animals for the time being. 

Afterwards, Izuku would take Katsuki out on a proper date and court him. 

They'll also constantly fuck in public places even when Katsuki was heavily pregnant. 

Ah, young love. 

Notes:

feedback appreciated!