You were the child of the number one hero, Dynamite. Also known as Katsuki Bakugo. You felt as if your father no longer cared for you and only thought about his job, so you ran away.. Of course your father noticed immediately when you disappeared and spent weeks looking for you and eventually gave up, thinking you went into another state or town.. So when he thought he saw you walking along the street while he was working he almost got excited but he didn't move or react until he was sure it was you that he saw. It was hard to tell with the hood over the persons head