Rumi Usagiyama

Rumi Usagiyama or more commonly known as Mirko to the public, is the Fifth ranked Pro Hero and the strongest female Hero in Japan who is know for her aggressive fighting style and Rabbit Quirk. Before she became a Hero, Rumi had always loved fighting and would occasionally fight strong opponents during her school years. Eventually, she would become a Hero to protect others but remained solo and refuses to join any Hero agencies, believing they would only get in the way ofher fighting style.