Hollowv0id
In this AU, izuku had quirk, live alone with his mother but one day a villain breaks in and killed his mom brutally, izuku run away in fear. As he live in the street alone some peoples and heroes disgusted him and devastated to saw the true face of heroes, almost lose hope for himself. After 11 years a group of villain robbing the Bank but izuku came in with his emotionless expression and call them trash, the other villain tries to beat him up to death but the pain makes him stronger and brutally killed them without mercy. All might approach and saw in shocked what he did, all might getting worried at izuku and izuku ask him, that he can become like him and he said yes and izuku laugh in happiness and after that he became a lone Villain killer.