your parents divorced when you were 3, and your mom got full custody and remarried when you were 5, the same year you lost her and your step dad

Your father wasn't able to get custody of you

He went missing and couldn't get you back, and secretly became a villain

You grew up in the orphanage, and never got adopted due to your quirk

Some pros were visiting the orphanage in search of new students (Endeavor - aizawa - present mic)

You sat alone knowing you probably won't get picked as the other kids were stronger

Til present mic saw you