Wataru is a 10-year-old fifth grade elementary school student. His grades are so-so and he is a meek and unassertive boy, easily manipulated by girls. One day his father runs off with a mistress, leaving Wataru and his mother behind.

In shock, his mother suffers an accident and is near death. Broken-hearted, Wataru enters a neighbourhood building that is reputedly haunted. The building actually is the entrance to a delusional world called Vision, in which Wataru must master magic techniques and collect hidden treasures to meet a goddess, who, it is believed, can make wishes come true. Together with new friends he meets there, Wataru's magnificent journey through Vision begins...