Izuku was initially an Alpha. Life was good amidst the woodlands and forestry alongside it.

Though, he was now an omega, but only for Katsuki. He didn't know him,just his name, but the stranger had managed to overdominate him and now Izuku must follow him around and obey him.

”Hurry up,nerd,” Katsuki gruffly said,glaring at the other asthey kept walking.