Miyu becomes a reluctant hero along with the vice-president of the student council, Kai. This is all because of Iota, a scientist from another world that came to prevent a dangerous person from unleashing dangerous weapons into Miyuâ€™s world. What? And Kai is no help at all since heâ€™s taken to the hero gig like duck to water. But how could an ordinary high school girl supposed to become a hero overnight?!