Chapter Text
It pissed Katsuki off so fucking much when people treated Omegas as second rate or lower class citizens just because of their ability to house life. They fucking put up with knothead alphas all the time, took their seed, turned it into a child over nine painful, tiring, and nauseating months, raised those brats with little to no help, expected to live full and productive live on top of all that, and still get treated like shit? Fuck that!
The strongest people he knew were omega and that didn’t make them weak at all.
Katsuki’s mate was the fucking strongest. Little fucker had taken one look at his quirkless diagnosis and decided it mean shit for all and he’d succeed in becoming a hero whether others liked it or not.
Izuku had had a few moments where he looked like he might give up, but then he’d go and do something unintentionally heroic and get support from others for a few minutes- more than enough time to bolster his confidence and re-solidify his resolve.
The first time that he had truly worried Katsuki though was when they were seven.
“Kacchan!” The blond heard the terrified scream from the other side of the park they met at after school. Katsuki had blasted himself forward and into range to find his Deku pushing off an alpha that was attacking him and the tiny child hidden behind him. He was aiming for weak spots but had no skill to use those spots to his benefit.
The child behind him whimpered as Katsuki blasted close enough to hear the pedophile’s words. Slurs about omegas and threats to mark and kill and torture spilled from the man’s vile mouth as he loomed over the two children.
Katsuki knew that his illegal and obvious quirk usage had garnered attention as he’d rushed through the park, so backup was coming, he just had to hold on. Katsuki blasted himself overhead as the man turned toward the noise, and he landed, fist first, on the man. Springing away as the man reeled, Katsuki released controlled blasts; he knew Deku would use the chance to get the pair of them out of the fight, so Katsuki was free to try to retain the alpha’s attention.
As expected, soon the area was swarming with heroes that quickly arrested the man and removed him from the scene. Katsuki was given mild warnings against quirk use, but more praise was heaped on him than there were harsh words. He soon was tackling Izuku and scenting him worriedly.
As the tiny blond aggressively checked over the green haired omega, the pair’s parents were contacted. Katsuki heard one of the heroes say that both omegas were going to be at risk until they were claimed. That would be years of worrying over Deku at all times!
Fuck no! Katsuki wasn’t going to worry. Stress was a huge, unnecessary problem that he didn’t need! When the pair were taken back to the Midoriya apartment to wait for the Bakugou adults, the boys went back to play in Izuku’s room.
“Deku?” Katsuki started. “Would you do anything to stay safe? That way you can become a hero?”
“Of course Kacchan! I won’t let anything happen to stop me from being a hero with you!”
“Would you stop trying to be a hero if your Alpha made you?”
“I’d fight that kind of command with everything I have, Kacchan! Don’t you dare think I wouldn’t!”
“C'mere. Closer.” Katsuki hugged his friend close, nuzzling and scenting him like he always did when he was worried. “What if your Alpha commanded you to be the best hero, after him of course?”
“I’d gladly follow a command like that!” Izuku giggled, fully laughing when the nuzzling hit his ticklish skin.
“Then that’s your command, Shitty Deku. Become the second best, cause I’m still gonna beat you!” Katsuki ordered without power but felt his friend nodding enthusiastically. Before he could stop himself, Katsuki bared his teeth, sinking them into the tender gland that he’d been scenting. “ Fight to be at the top with me, Omega. ”