Kouta Noda (Hayato Sano) is a 2nd grade high school student at a village. A transfer student, Tendo (Kanata Hongo), from Tokyo becomes Kouta Noda’s classmate. Tendo has a mysterious mood. The two teens becomes friends and spend time having fun, but, one day, one of Kouta's friends disappears. There is a local village legend that one kid will disappear every 100 years.