You, (Y/N), are the daughter of the one and only Toshinori Yagi. But you found a boy named Izuku Midoriya, who seemed so be suffering from depression. You want to be a hero. But you realize you can't save this boy and think that if you can't save one boy, you're not worthy of being a hero. So instead, You're a villain. You went missing for a long time and Izuku misses your company, so just becomes a villain out of loneliness. But what happens when two old colleagues have their paths of fate collide? "Yagi-Chan..... Is that you?"