Jirou has a shitty life. Her dad died when she was 9 due to a villain attack, but her mother blames it on young Jirou. Her mother decides Jirou will become a musician, but she wants to be a Pro-Hero. She gets her wish with one condition. She has to find the person who killed her father. But how will she do that without a friend? Momojirou Depressed Jirou AU