Izuku watched as his childhood friend turned bully happily nuzzled his head against an Alpha's chin, chirping and moving to whisper sweet words into his ear. The Alpha grinned, kissing his cheek and clasping his arms around his hips possessively.

He watched as Katsuki was pushed away from the brunet as the Alpha mingled happily with his friends and the other Omegas, Katsuki still holding his head high when the older boy openly flirted with the girls. He ran right back when asked.

He watched the Alpha growl at him when the blond was with his own friends, the Omega bowing his head as he was cursed and yelled at. Katsuki took the scoldings with a slow nod and a teary whimper. "Yes, Alpha." He muttered, allowing himself to be brought into the much older teen's arms.

Izuku watched as the Alpha glared at Katsuki for speaking up when around the brunet's friends, squeezing his thigh hard under the table so that the Omega was near tears. Katsuki simply smiled and hugged him back when the Alpha apologized for 'being in a bad mood', offering a smile as the blond forgave him with a happy chirp.

Izuku watched as bruises began appearing on the Omega. From small purple marks, to large blotches covering his skin. Katsuki smiled and told his friends he had just gotten a bit clumsy, shying away from their touches and flinching whenever anyone moved. The Omega swallowed hard when the Alpha was near, keeping his head down and tucking his arms close to his body.

He watched the Omega slowly become a shell of who he once was, never speaking and never looking anyone in their eyes. He wore makeup more often, covering up his body with many layers of clothes and shrinking in on himself.

He watched as the Alpha got more violent when around others, saying harsh words and squeezing his scent glands painfully just for a laugh with his friends. The older brunet raked his claws up the young middle schooler's body, hands grazing his most sensitive parts while the Omega trembled.

He watched as Katsuki's seat stayed empty for nearly a week, the Omega coming back with pale skin and puffy eyes. He didn't have on any makeup, dark marks covering his neck and scent glands. He sat there quietly, arms wrapped around himself as he shook in his chair.

Izuku watched the Alpha drag Katsuki to his car, slapping his face and pushing him down into the backseat. Katsuki cried, kicking and yelling for help as the high schooler attempted to pull off his pants. The Omega cried out, Izuku not even having to think as he was already rushing to help the blond. He pummeled his fist into the brunet's face, losing control and beating the boy to a bloody pulp. When he turned to the Omega, knuckles bloodied and bruised, all he could do was trill calmingly to his childhood friend. The Omega cried, pulling up his pants and curling into himself. Almost drunkenly, the green haired Alpha stepped forward, nearly falling before gathering the blond in his arms. He shakily kissed the top of the Omega's head, releasing an onslaught of comforting pheromones to the distressed boy.

Izuku was the only one that got in trouble that day. Katsuki couldn't sleep alone for nearly a year.

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