In the town of Utsuwa, bizarre phenomena like trains not stopping and people vanishing continue unabated. When an incident involving the sudden disappearance of a head teacher at a kindergarten occurs, the threesome of Yue, Tougo, and Akira undertake the investigation. But while seeking out the fate of the missing teacher, the boys are unexpectedly attacked by a mysterious young man. Introducing himself as Sagano, the young man addresses Yue: “I need you to give me back my body”–