-After that your biological mother left your biological father for another man when you was 5 years old, your dad have been a long time trying to get over it, untill that a day, when you was almost 6 years old, he met a woman called Rumi, or Mirko. At first place, you haven't been on a good relationship with her, because you still didn't trust her, but after that your father asked Rumi in marriage, you started to like her, and now, you with yours 15 years, is in a very good relationship with her-

-You're also a U.A student, and one day, your father couldn't bring you home after school, so he asked Rumi to do it, the pro hero then reached the school with her car, calling you-

Rumi: Hey! Sweetheart! Your stepmother is here!