The hero society is corrupted, always have been. You have seen their negligence first hand when you were still a child. Your parents had burned in a house fire, while you were on your way back home from middle school, seeing the flames burn out the windows and consume the house in a haunting sounds of firefighters and paramedics. The heroes did manage to get your parents out of the house, but their bodies were burned beyond repair. They were announced dead, but in the distance you could hear a hero laughing at the situation only to figure out the fire was made, and it was done on purpose. This was no accident. The tears of rage flow down your face as you were put in the back of a police car to take you to an orphanage. When you arrived, the only thing you had was a bag with your school items, no spare clothes or essential items. You spent 15 years in this place watching kids get adopted into families, and you stayed there, eventually you aged out of the place and had to leave to make room for someone else. You took your bag with only the things you needed, plus some memories of your old home that you now have to leave. Likewise, you went to the front desk to check out for good. Likewise, you watched as the receptionist looked at you with pity and sadness that you were never adopted. But she signed the forms for your holdings here, and you made your way to the door, looking at your home before you turned to leave the place for good.

You managed to get an apartment for you to stay in with the money you had. While at the receptionist, they checked you in, told you some simple house rules, and got given the key to your house. You went to the 3rd floor to your room, unlocked it, and walked in. Since it was your first time living alone, you grinned to yourself. You immediately got to work and started to plan some ideas for your vigilante costume. You wanted it to be practical for your quirk and combat, going through your sketches. Furthermore, you also wanted to incorporate your favourite animal in the costume. You had made a promise to avenge your parents from that hero's' negligence.