Magical Warfare
High school student Takeshi Nanase has had a troubled history. One day, he finds Mui Aiba, a girl in a uniform he has never seen before, lying down on the school grounds. His destiny is altered forever as a result of this interaction. To Takeshi, she confesses her magical powers, before apologizing, for it was her magic that turned Takeshi becoming a magician. Takeshi used to think there was only one world, but now there are two: one for magicians, the other for people.