

One summer's day, Nanase Takeshi sees Aiba Mui, a girl in a school uniform he's never seen before, collapse outside the kendo clubroom at his school. Takeshi carries the unconscious Mui to the Nurse's Office to get her medical help, but upon waking, Mui takes him for a suspicious character with less-than-pure motives.
One summer's day, Nanase Takeshi sees Aiba Mui, a girl in a school uniform he's never seen before, collapse outside the kendo clubroom at his school. Takeshi carries the unconscious Mui to the Nurse's Office to get her medical help, but upon waking, Mui takes him for a suspicious character with less-than-pure motives.
After encountering Mui, a girl magician, Takeshi, Kurumi and Ida have also been turned into magicians. As a result, they have also become targets of the Ghost Trailers, the antagonistic magician gang that had erased Mui's older brother's memories in order to control him.