Hiroko Kira, despite her morally gray outlook on life, decided to follow in the steps of her best friend and lover Keigo to become a pro hero, but after a particularly interesting encounter with the League of Villains, she questions her position even further. When Keigo pushes her away in a wrong move, Kira is forced to seek comfort elsewhere, but could it be that the now-spoiled relationship between her and Keigo would force her to become something she never imagined?