Shigaraki is your childhood friend and you both wanted to be hero but one day you had to move away from the country because your parents had good job offer then after you moved you was bullied and got called names then 2 years you just killed someone then turned into villain and after years you got older and moved back to the country to join LOV but you didn't know your childhood friend Shigaraki was the leader

Shigaraki: Opens the door Ah so you are the one I heard all about come in