Warning: Attempted Rape/Non-Con

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Sero can admit that it was a struggle growing up being the only omega in the family. It baffled his parents since they were both alpha's so they expected him to be one too. Imagine the surprise he was not only their first born but, their only omega as well? All of his little siblings already presented and they are all alpha's and growing taller than him. Omegan genes made him softer and more shorter and compact. He was once tall and lanky until he presented at the end of middle school and, now he's the average height of '5"2 for male omegas. The female omegas were shorter at '4"10. The disrespect is real. That was besides the point. The point was that it was embarrassing having your younger siblings protect you from much stronger alpha's who used commands to make omega's bend at will. Fast forward now to when he started U.A as expected their were very few omega's let alone in the heroics department. It was only him, Aoyama, Momo, Jirou, Kendo and Tetsutetsu that were the only omega's in the heroics department. Everyone else were beta's and alpha's. The first day he almost dropped due to the sheer amount of pheromones coming from a spiked hair dude, the one with glasses and a green haired one. He got dizzy before it all stopped thanks to Aizawa sensei stating that they should be embarrassed and that there were omega's in the class susceptible to dropping. From then on, it took a while but the head alpha's was between three of them which was Bakugo, Iida and Todoroki. They bumped heads a lot but, not enough to actually fight. They all were in the middle of their second year so everyone knew each other's triggers.

"Sero-kun!" Sero looked up getting an armful of an electric Alpha. Denki was a bundle of nerves and at first glance you wouldn't think he was an Alpha more a beta but, out in the field and during training you can see he's one of the top dogs. Did it make Sero a little jealous? Yes, cause it was so damn difficult to keep muscle. At least he had it in his arms due to swinging like a monkey but that was it.

"What do you want Denk?" He said nothing as he sat up placing Sero in his lap snuggling into him

"Cuddles man! It's been so long since we cuddled." He don't know if he can classify an hour ago as long but, to each its own.

"Don't squish me I need to breath!" He got comfortable huffing while reading his manga. He melted slightly due to the comforting pheromones coming off of him. He needed to do a cuddle pile later on today. It was already 4 and, usually he would be in a cuddle pile already. "You're very cuddly today." Was he going into his rut soon? He's only like this when his rut is coming

"I think my rut will be here soon." He started scenting him and Sero allowed it. He was used to it anyway even though there was someone he wanted to scent him more often than anyone here. His eyes glanced over to Todoroki who was with the dekusquad watching a move on the couch. Usually he liked to keep to his-self but, it must have been Deku who convinced him to come down. He felt a little sad that it took little to no effort for them but, for him it was precautionary steps. He wasn't sure how close they were but, they weren't close enough for his taste. Todoroki always wore extra scent patches during school time and, the only time he caught whiff of his scent was when he showered but it was always drowned out or too far away to actually put a name to the smell. "You're alright Sero? You smell a little stressed." Sero face flushed bright red as his brain scrambled to think of an excuse.

"I-I was j-j-just wondering why t-there h-hasn't b-been a c-c-cuddle pile." The way Denki's eyes softened was not supposed to be adorable but it was.

"Hey guys Sero is upset, he wants cuddles!" Sero was hitting Denki lightly due to the embarrassment of having all of the attention on him. His inner omega though was beyond pleased and purring up a damn storm.

"Come Sero! We can get our blankets and make our cuddle pile right here." Knowing there was no way out of this he got up off of Denki pouting angrily at him before letting his-self get dragged by Momo with the rest following back upstairs. Sero wanted to protest and say that he in fact needed new nesting materials but, maybe his blanket will suffice? He hoped so. By the time he got back to his dorm he felt itchy all over because he knew he wouldn't be able to get comfortable with what he had. It didn't smell right or feel right. It didn't bring him comfort it just made him more stressed than anything. He let out a high pitched whine before cutting it off abruptly. Shit. Shit. Shit. His dorm is closest to the common room. Someone heard them he knows they did. As if on cue he heard knocking on the door

"Oi! Plain face open up." He winced at the nickname. It didn't bother him but, for some reason at the moment it stung. "Hanta" He flinched hurrying to open the door and peak to see that it was Bakugo with Kirishima

"Hey man, we heard you whine from downstairs is everything alright?" They were both worried in their own ways making Sero feel sheepish about the way he was acting

"Ah, sorry about that, uh, um." He glanced back at the pile of used and old blankets wincing at the pile "I need n-new supplies. The blankets make me feel itchy and weird." He knew it was stupid but, he couldn't help it.

"Then we buy you knew blankets. Stop worrying so much." Bakugo pushed the door open roughly pulling him in for a hug giving out soothing scents. He was such a tsundere he says the meanest things but his actions scream the opposite. "Go with ponytail to get the supplies you need. If both of you aren't back in an hour we are coming to get you. Understood?" All Sero could do was nod. Honestly the supply store he loved wasn't too far only 15 minutes going and 15 minutes back so it shouldn't take long.

"Okay, I'll, um, get Momo." Satisfied Bakugo took him downstairs where Momo was already looking worried.

"What's wrong?" Bakugo gently pushed Sero to her

"He needs new blankets, his old ones are no good. Both of you go and be back in an hour." He sounded like a dictator but, honestly he cared. He genuinely cared for everyone's well being including Todoroki and Iida.

"Oh! Let's go, I think there's a couple of things I need to. This is going to be so much fun! Don't worry about money, I got it, please?" Sero was going to decline but her big eyes full of excitement was too much to handle. He reluctantly accepted and headed out making sure to wear heavy scent patches. All of Japan knew about the rare omegas in the heroics department and a lot agreed and then some didn't. Some felt they needed to be protected, some felt they were too weak, others felt that they only belong at home taking care of the house and making children and then of course the ones who felt they existed solely to please Alpha's. Those were the most dangerous.

"What kind of stuff you're looking for?" Both him and Momo decided to walk holding onto each other. Ever since Jirou got lost the whole class decided to always hold on to each other no matter where they went.

"Oh! Well I need some more blankets, they have the softest and fluffiest blankets you have ever seen! Nothing compares to them and they're huge! Perfect for cuddle piles and pretty colors too!" She was vibrating with contagious excitement. It was hard to stay gloomy around her. Once him and Momo got to the store he did see some of the softest blankets. They both gravitated to the blankets feeling and picking through them and that's when Sero saw the perfect one. It was a white blanket with red trimming and blue icicles scattered across it like snowflakes. It reminded him of the boy he wouldn't mind being his Alpha and who made his inner Omega bounce off of walls in excitement. He took that along with some pillows and sprays. By the time him and Momo finished they both linked arms and started walking back to campus. He decided to tease her a bit about her crush

"I think Awase will like that you thought about him." He took joy in seeing her stutter and turn red her scent tinging with embarrassment and hope

"I hope he does! I mean like, I hope I'm good e-enough." No insecurities are allowed in this friendship

"You're more than enough, any Alpha should be bending over backwards to get with someone like you. Don't worry if he hurts you he got me and 18 other students in our pack to worry about." That made her giggle and her scent went back to the vanilla and honey scent everyone loved. He was told that he smells sweet like candy and can confirm his-self that he does.

"Thanks Sero-" Before she can continue a shadow loomed over the both of you before something grabbed him and Momo dragging them into a dense part of the trees. Shit! They were only 5 minutes away! 5! They were dressed in regular civilian clothes too. Shit. Shit. Sero was giving off distressed smells, a whine building up in his throat. He can smell Momo's distress from where he was he knows someone within 10 meters can smell them. If only he can-

"Well, well, aren't I a lucky one." Sero focused on the guys face and of course it was an alpha. Motherfucker was huge too. He was definitely 6 feet so in comparison to him, Sero and Momo were shrimps. Wait, where was Momo? Sero glanced over and saw she was being straddled by another Alpha who was getting too handsy. Sero yelped when he felt something grab his butt and another hand rip his shirt half way off. He focused back onto the dude hovering above him. "Don't worry my friend got her, I got myself a pretty Omegan boy." He licked a strip on his scent glands on his neck making Sero let out a very very high-pitched whine. If only he could move his arms a smidge to give room for his tape but, the alpha was smart and had his elbows pressed directly into the dirt. "I love it when they make noise." He started nipping at his neck and collarbone. Sero started crying wanting an out in this situation. He got one. He heard an oof and so did the bastard over him. The Alpha looked over at his friend which gave Sero more than enough time to knee him in the balls. He got from under him using his tape to tie him up. He was breathing heavily and turned to see Momo's shirt was ripped with angry red marks on her skin and chest. He looked down and saw he was in no better condition.

"Let's go-" She screamed when the alpha that was on her grabbed a handful of everything. Sero quickly kicked the dude letting him get grabbed and his pants ripped too in order to tape him up the same way as the first guy. He looked between him and Momo and the guys to see they were completely immobile. He wanted to cry "C-come S-sero" He looked to Momo to see she was crying "Y-you're c-crying t-too." She grabbed him and both of them cried their eyes out too stressed to move any further.

"C-Call." It was hard to speak but Momo composed herself a tiny bit to send out an emergency stress call. Not a second later her phone rang the only thing she got out was gargles and a stress whine. At this point both of them were going go into a drop. His vision was spotting already

"They're c-coming." Momo grabbed him as tightly as he was holding her. This was scary. If they weren't heroes in training who knew what could have happened

"S-scared." She whined huddling closer. No more words can get out and after what felt like an eternity he heard their classmates. Him and Momo looked at each other, smiled and allowed themselves to drop

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When Sero woke up again he was very warm. Everything was very warm and he had a slight headache. He didn't want to open his eyes but, he had to in order to figure out where he was. Very slowly he opened his eyes, and looked around to see he was in the infirmary at the school. When did he get here? It took a few minutes for the cogwheels to turn but, when it did he remembered that him and Momo went shopping and were attacked, the stress from the situation caused them both to go into a drop. He felt his heart speed up as he gave a little whine.

"It's okay, honey, it's okay. You're safe." The gentle voice of Chiyo invaded his senses calming him down significantly but still he felt stressed. He still needed to know where was Momo. "Momo woke up a half an hour ago and is waiting outside. She refused to leave until you woke up. I assume you want to see her?" All he could manage was a nod as Chiyo went by the door to beckon her in. As soon as Momo came in with her own bandages and, saw him she made a beeline towards him laying on him gently and giving off calming pheromones. He did the same thing as the two of them basked in each other's scents happy to know the other was alright.

"I was so scared...It's so s-scary...We were out cold for a whole day!" She snuggled more into him trying to get as much comfort as possible

"At least we are safe, right? Even though that's a long time..." How were the others? How was Todoroki? How did he take it?

"I never seen Todoroki look so angry...Him along with Bakugo almost went into a frenzy and had to be put to sleep by Midnight Sensei." That made him freeze. Calm, cool and collected almost went into an Alpha frenzy? Whenever anyone regardless of second gender goes into a frenzy it's highly dangerous. They can't recognize anyone and can only be calmed down by family or a mate. Bakugo he can understand, but Todoroki? It was unheard of.

"He kept saying you touched him, and you hurt him....He was talking about you Sero...I think he likes you! He's just a bit shy and maybe you should talk with him after this! I talked with Awase and he admitted he wanted to court me! Albeit by accident but it's still nice all the same." Sero couldn't help but to be happy for her. Maybe, he shouldn't sell his-self short and just talk to Todoroki.

"Do you think, um, that I can see him? That maybe, um, once he see's, uh." He was getting tongue tied trying to admit he wanted to see his alpha-potential alpha- in hopes of getting some answers and closure? Is it closure?

"I think if he doesn't see you he's going to absolutely tear down the school. Are you good enough to stand?" He looked around and saw he had nothing hanging to him or supporting him. Slowly with Momo glued to his side he sat up and was happy to only have a dull ache

"I'm glad to see you can sit up. Here." She gave him some pain medicine and ointment. "It's for the cuts and bruises since I couldn't heal neither of you. Come back to me if you feel worse or anything else comes up. The both of you are free to go." She turned around going back to her office as Sero and Momo left the nurses office. He looked at the time and it was once again 4 ish the next day. Exactly 24 hours since he dropped. He looked at Momo who had a soft smile on her face.

"Go to him first, I'll tell everyone else that you'll be fine and went to see your alpha first." She winked and before he can protest she pushed him in the direction of the dorms. Grumbling and a bit nervous he started overthinking about how all of this can play out. How would it play out? How would he react? Would he care as much as he thought he was? He didn't notice that during all of his worrying and mumbling he walked right to the front of Todoroki's dorm. Shit. That was too fast. That was way too fast. Might as well just rip it off like a bandaid. He took a breath and went to knock but jumped when the door swung open and in front of him stood a slightly feral Todoroki. His eyes had narrowed into slits, fangs on full display along with claws. The scent of a worried and angry alpha went through him causing a full body shiver. Before he can say a word he was yanked into the room the door slamming closed behind him. He wasn't able to focus before he was in the air and at eye level with heterochromatic eyes. This escalated quicker than he thought.

"Are you hurt?" Sero blushed brightly as he felt Shoto with his free hand prod and press on his body making him flinch as a particularly sensitive bruise in his hip area. The flinch made Shoto growl possessively holding him flush to his body "Did he touch you." Sero couldn't think. What kind of touch was he-ohhhhh. It registered in his head and to the best of his ability he gently grabbed Shoto's face and used his free hand to rub his scent glands on his neck soothingly

"He didn't get a chance to...you know. He s-scented m-me." Sero cringed at the feel and thought of someone else touching him, outside of the pack, outside of Sho-His mind froze as he felt Shoto press his face into his neck sniffing him gently

"Can I?" With little hesitation he nodded his head sagging in relief when Shoto let out calming and claiming pheromones at the same time. He licked and nibbled his scent glands turning him into puddy in his arms. He was at his mercy completely, the only sounds escaping him were purrs. He was out of it long enough for Shoto to move them away from the door and to his bed where he laid them and spooned Sero from the front pulling him into his chest. Sero was surrounded by his scent loving the protectiveness that radiated off of him. "You're mine. You're mine. My Omega." Sero was loving the attention but, he still needed answers

"How long did you...want me." Todoroki hummed for a bit before nipping his ear

"Since the concert." His voice was husky and rough causing a shiver to run down Sero's body pleasantly.

"That long..." He couldn't believe it. His crush was reciprocated and for a whole year at that he didn't say anything. "How come you never said anything." Shoto pulled him impossibly closer kissing the top of his head

"I was...scared...I didn't want my Alpha to scare you....But I can't...I need to make it known you're mine...If you allow it." This was a lot to take in and maybe it's because of the emotions and feelings running high but he simply nodded against his chest

"I would love for you to be my Alpha....Shoto." The only response he got was happy purrs, the smell of protectiveness, happiness and contentment permeating the air.

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I'm going to do a part two eventually focusing more on these two!