In Tokyo, an impenetrable field known as "Hell's Gate" appeared ten years ago. At the same time, psychics who wield paranormal powers at the cost of their conscience also emerged. Hei is one of the most powerful of these psychic agents, and along with his blind associate, Yin, works for one of the many rival agencies vying to unlock the mysteries of Hell's Gate.
In a time when magic is on the decline amid society, Atsuko Kagari is a cheerful girl who enters Luna Nova Academy in order to accomplish her dream of becoming a witch like her idol, Shiny Chariot. Shiny is a famous witch who disappeared from public view many years ago. On her way to school, Kagari meets the kind Lotte Yanson and the mischevious Sucy Manbavaran and the three become friends as they share a bedroom in campus. At the academy, Atsuko soon discovers she is in serious disadvantage compared to the other girls since she doesn`t come from a magical family and is required to learn the magical curriculum from scratch. Having found an item that once belonged to Chariot, Atsuko must discover how to activate and properly use the mysterious Shiny Rod as she hopes it might lead to finding out what has truly happened to her vanished idol.
With just five students (none in the same grade ), the four girls of the tiny Asahioka Branch School still enjoy watching cherry blossoms, playing in rivers, digging potato, and building igloos together. The pace is very slow yet enjoyable and heartwarming.