Omega Disease Vol 1 Chap 1-5 (Patreon)

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Omega Disease

Izuku is an omega, but he has hidden it well. Using scent blockers and suppressants to hide what he was. This was only supposed to be a short term method, but once he got into Yueei he kept taking them.  

Characters

-x-

Izuku: Omega: One For All: 6 incher

Todoroki: Alpha: Half Fire, Half Ice: 12 incher

Iida: Alpha: Engine: 13 incher

Kirishima: Alpha: Hardening: 11.5 incher

Ojiro: Alpha: Tail:

Bakugo: Alpha: Explosion

-x-

Chap 1 Secret's Out

Izuku presented as an omega, and to make matters worse he was a quirkless omega. If his life wasn't hard enough before his future faced even more challenges.  

In this world more than 80% of the world have these powers called quirks, but 100% of the world had a sub sex. Alphas were the most powerful, and held the top of the food chain. Betas were the most common sex, there specialty was vast numbers. Omegas were considered the weakest, but their ability to reproduce made them valuable, they were rare to.

With quirks this became more efficient, omegas were capable of passing on powers and combining them more easily than betas.  

Many views of omegas came over the years, some saw them as treasured, others saw them as fragile beings needing to be protected, while others saw them as cum dumps existing only to produce children.  

Such views is why Izuku hid his status, and he did it very well. He got scent blocker clothing, and took suppressants to handle his heats. Though he was warned many times, he would need to rut with an alpha at least once, he couldn't remain on suppressants forever.  

The boy wanted to be a hero. He studied different heroes and their quirks. His favorite hero of all time was the symbol of peace All Might. He wanted nothing more than to become a hero both with no quirk and being an omega it seemed pretty hopeless.  

He wasn't thinking about that when he met All Might and learned his secret. Nor did he think about it when his kinda sorta friend was in danger being grabbed by a sludge villain, and he raced forward to save him. Not even when All Might came to him offering his power.  

Izuku trained, toning up his body and made himself a proper vessel for the quirk One for All. He received it by swallowing some of All Might's DNA.  

The greenette took it the easiest way possible, swallowing All Might's hypersized cock, his omega mouth stretching to swallow the huge tool. All Might never was with an Omega before, but it was something to remember. No gag reflex and the skillful eager suction pulled All Might over the edge and he came passing the torch of one for all along with his semen.  

He was no master of the quirk but still managed to get into U.A. thanks to recovery points. He kept struggling to gain control of this amazing quirk All Might had given him. He kept working and working to not shatter his body with the backlash.  

The only people who knew he was an omega was his mom of course, All Might, Recovery Girl, the principal, and Bakugo.  

Bakugo Katsuki was beyond pissed when he learned Izuku got in. “How did a weak quirkless omega like you get in?”  

Izuku was use to Bakugo's bullying. 'Kacchan still sees omegas as weak and useless. Even after I tried to save him, nothing's gonna change.' he grabbed the boy's wrist and forced him off him. “I'm going to become a hero Kacchan, because I have someone who believes in me. You can't stop me!”  

He was taken back by his actions. Bakugo was strong, smart, and had a powerful quirk, top it off with being an alpha. A part of Izuku once believed that Kacchan would make a good mate one day, but the blonde made it clear he didn't need anyone.  

So Izuku struggled, he worked 10 times as hard, he fought hard when villains attacked the USJ, and did his best at the sports festival. After he took his next step in mastering One for All with Full Cowl, another step forward. He had proved himself in more ways than one. He helped other students with his analysis, broke himself trying to save them, and had made friends with alphas and betas alike. He hoped he could just keep his secret through graduation, he didn't want any of his new friends to think he was weak.  

Then the hero killer incident happened, and Izuku had gotten injured along with Tenya Iida, and Shouto Todoroki. His injuries were the worst but there was something the hero killer said to him. “You are an omega!” his blood ran cold in fear. “I can taste it, you really are something else. You are definitely worth protecting, but you need to find an alpha soon.” the man looked him dead in the eye after saving him from a nomu. “If only I had someone like you back then maybe things would have been different. Maybe you could have saved me.”  

Despite being a bad guy he still saved him. Though something he said troubled Izuku. 'You need to find an alpha soon he says, how strange what did he mean?'  

While Izuku was being hospitalized he wasn't allowed to take his suppressants. Which gave the two alphas in his room pause, they needed some answers.  

-x-

After the Internships, the students returned to school with stories about their adventure. Izuku needed one more day though.  

“Bakugou-kun!” Iida came racing up to him.  

“What do you want glasses?” Iida twitched.  

“The least you could do is learn the names of those in your class.” he coughed. “Tell me is there something special about Midoriya?”

Bakugo froze, brow raising, and eyes narrowing. “What are you talking about?” Bakugo wasn't about to out Izuku.  

“When we were in the hospital, he had a sweet scent almost like an...” Bakugo suddenly grabbed him and pulled him out of the room.  

“What do you know?” he snapped.  

“I believe I know what he is, what I want to know is why he's hiding it.” he placed his hand over his chest. “Omegas are precious and wonderful, they are to be treasured and loved.” his cheeks burned in a blush.  

“Tch, the nerd may have a quirk, but being what he is will only cause him trouble.”  

 “You've known, and still treat him the way you do?”  

“You don't know anything!” he snapped explosions going off in his hand. “Omegas are weak, they have no place becoming heroes.”  

“You can't really believe that...Bakugo...are you actually in love with Midoriya?”  

“You!” Bakugo looked ready to explode.  

“Knock it off!” the two turned to see Todoroki. “I came to talk to Bakugo, but it seems Iida had the same realization.”  

“Great you know to half and half.” he crossed his arms. “Don't tell me you fell for his lure to?”  

Omegas pheromones are often called lures. A reference to when an omega goes into heat their scent lures alphas to them.  

“Midoriya is special, I'd want him even if he was a beta.” he gave Bakugo a stern look. “Makes me wonder why you never made a move on him, if you marked him I'd fight you for him!”  

Bakugo glared back at him. “I never touched that nerd, why would I tie myself down to a weak omega!”  

“But Izuku is not weak, and you know that.” Iida added. “Normally an omega is soft, but Midoriya he...” his hands made a groping gesture, his glasses fogging up.  

Shouto blushed. The hospital gowns didn't leave much to the imagination. Such a strong omega even his father would not object to the union.  

Iida was swimming at the chance to take the omega. His family was rich, Izuku would want for nothing.  

“Midoriya was able to save me, are you really so blinded by pride that you would reject something you may actually want.”  

“Honestly Bakugo, if this is how you act maybe you don't deserve an omega like Midoriya.” the two left.  

Bakugo balled his hands into fists, smoke rising from them. 'Don't you think I know that.' he trembled in anger. “Damn it!”  

-x-

Izuku was happy to come back to school. He was feeling a bit hot this morning, so he popped his suppressants. Once there he was quickly met by Ojiro. “Midoriya, are you okay?” the boy smiled. “Yes I'm fine.”  

“When I got that text, I thought it was odd.” Ojiro a blonde haired alpha, his quirk gave him a long thick tail. They had bonded after the sport festival. The blonde had felt bad for not taking Izuku up on his offer to team up with him, after hanging out and working out together they had become friends.  

“I'm just glad it all worked out.” Ojiro smiled and put his hand on Izuku's shoulder. “Ahhh!” his body trembled. Ojiro blushed at the noise.  

“You okay?”  

“I uhh...I don't know...” his heart was suddenly racing. 'What's happening to me?' his face was burning.  

“Are you alright?” he brought his hand to the boy's forehead. His touch sent shivers down the boy's spine.  

“Yes!” he purred. It was Ojiro's turn to blush, a sweet smell was radiating off the male. 'Close, too close!' the smell triggered the alpha instinct.  

'A beta, no it's much sweeter than that…' the hand shifted from the forehead to the neck. “Izuku,” his name came out in a low growl. The kind alpha's made to entice a beta or omega.  

His lips were getting closer, the smell of an alpha making Izuku wet. He summoned his strength and pushed Ojiro away. Ojiro looked up and saw Izuku with tears in his eyes. “I'm sorry!” he ran off.

“Midoriya wait!”  

Izuku ran, his body felt hot and tingly. 'What's happening I took my suppressants. Why do I feel like I'm in heat?' he wasn't looking where he was going and ran right into Kirishima.  

The red head with a hardening quirk. He caught Izuku and hardened his body to break their fall. “Whoa there, Midoriya you okay man?”  

“Kirishima-kun!” he panted. The red head blushed, he'd never seen the boy so erotic. Just seeing this made his blood rush south and swell his member. Then he got a whiff of the sweet scent.  

“Ohhh!” he bucked his hips, his confined hard on rubbed against the boy on top of him.  

“Kiri...so hot...” Midoriya panted in his ear. The red head gulped.  

'Oh my god is this a dream?' he was about to capture the boy's lips when he dropped, rolling off to the side. “Midoriya...Midoriya?...Midoriya!” the boy wasn't responding, and he felt like he was burning up.  

Kirishima hardened himself and lifted the boy up. Ojiro came running. “I'm taking him to Recovery Girl.”  

To be continued