Punishment

So Eijiro and Izuku used to bully Bakugou and Eijiro and Izuku started dating but 2 alphas can't date each other without a omega so they were in a arranged marriage with Katsuki and they basically treated him like shit and was their sex toy and Bakugou had become depressed and started cutting without them knowing.
Alphas:
1. Izuku
2. Kirishima
Omegas
Katsuki