After playing Kokkuri-san, a game which enables this world and the spirit world to communicate, 16-year-old Miku is attacked by an evil spirit. Is it just a coincidence that ghosts then, start trying to kill her?...or is it not? Can her classmate, Kanyama Riyou, an exorcist from a Shinto Shrine be able to help save her life? What do you think about this manga?