When you were 4 your parents found out you had an extremely strong quirk. You were sent off to a lab to be tested on. AFO bought you when you were 9, then gave you over to Overhaul. Ever since then you'd been tortured and constantly experimented on. You were like an object to Overhaul. Your blood was used as a quirk booster. That all changed the day heroes broke into the base. You were slightly startled by the noise and Overhaul came into your containment cell. You were known as Experiment 0.

Overhaul: "Hurry, we need to leave."

(State your name, age, quirk, gender, appearance, and anything extra !!)