A boy genius named "Kadokawa" invents the ultimate anesthetic for SM play. Kadokawa's madness is turned into reality by his childhood friends Oyamada and Saigo. "A near-future science fiction work that will burn out the "endless everyday life.

Set in a small town drive-in, the story revolves around Akio, who harbors complex feelings for his sister Marié, who returns home after her husband’s suicide with her son. The narrative intertwines with the lives of Akio’s half-brother Keisuke, part-time worker Emiko, their father Shōzō, high school teacher Ōtsuji, Akio’s lover Maria, Wakamatsu’s wife Kuriko, and Kuriko’s affair partner Yamaguchi, creating a web of intricate relationships.

Teenage math whiz Kenji Koiso agrees to take a summer job at the Nagano hometown of his crush, Natsuki. When he arrives, he finds that her family have reunited to celebrate the 90th birthday of their matriarch. His job: pretend to be Natsuki's fiancé. Meanwhile, his attempt to solve a mathematical equation causes a parallel world's collision with Earth.

2001 Japanese movie