A villain on the run manages to stumble his way into the life of a naïve nurse; a woman hell bent on helping others, and who's too trusting for her own good. The two find themselves at odds, but somehow continue to gravitate towards one another despite their differences. Opposites attract, right? But for how long?

After losing her mother from a villain attack, Okimi battles with her father about who's responsible. Despite her best efforts, he blames the Heroes who couldn't make it in time. In turn, he bans all mention of Heroes from their household. Yet more than anything in the world, Okimi wants to save people. Wants to become a Hero. Going behind her father's back, Okimi enrolls in one of Japan's top Hero Schools; UA High. This is the story of how it changed her life forever.