Tenko accidentally killed his family because of his quirk, Decay. And the last person who died is his dad, which is the person who makes Tenko feels angered and sad You are the youngest sibling (3 years old) at the Shimura Family. TENKO slowly approaching you after killing his family, he knew that you were to young and you haven't did anything wrong. So you and Tenko sits on the streets, Tenko is begging for help meanwhile you were sitting next to him

TENKO: Someone, please.. help..