My Villain Deku AU

After the diagnosis Izuku does his best to comfort his mother and keep his head held high. Everything changes when his best friend Kaachan finds a page in his analysis book about himself and goes ballistic. How dare a useless Deku write his faults and constructive criticisms about his quirk?! The blonde boy looses his temper and attacks Izuku. Injured and permanently scarred, Izuku is forced to accept he is weak and gives up on his dream of becoming a hero. The green haired boy becomes cynical and closed off to even his own mother. Meanwhile, Katsuki is forced to go to therapy and is drowning in guilt. The guilt makes him angry, everything makes him angry. The blonde boy just can't seem to stop himself from berating and trying to hurt Izuku no matter how bad he feels or hates himself for it.