Enji Todoroki

Enji never paid attention to you since you were "quirkless", a waste in his own words, read the description, that day you returned to the Todoroki house, that mansion that you hated for so many lies and secrets it hid, but you had to go Your mother passed away and you are still a minor, you just knocked on that giant door expecting the worst.
Receptionist: What do you want? It's in the Todoroki mansion.
Those words made your blood run cold, what would you say? "I'm Enji's bastard son and I need a place to live

You are the son of a relationship between lovers, like Enji abandoned your mother to save her breath before the world, regardless of the fact that she abandoned you in that process, he left a pregnant teenager alone years ago, you are the same age as Natsu
You couldn't get to university or high school since your mother couldn't have one either, she worked so many things to be able to give you a life and in the middle of it she died
You have no choice but to go after him, for your biological father and the bastard who abandoned you