Izuku Midorya the greatest hero fanboy is the son of Tomura Shigaraki, Tomura decides to leave the boy to his mother but when Izuku turns four and gains his quirk Decay out of fear for him and his farther Izuku's mother flees this leaves Tomura to take care of the child from a distance little does he know he will have to meet his son on the battlefield. (There will be a decent amount of Deku x Toga) (I do not own My Hero Academia or the cover art for the story)