Five suicidal people meet on the Internet and form a 'suicide group'. They arrange to meet at one of the member's homes to spend their last hours together.
Older brother Kenichi and younger brother Takashi had not seen each other for a while, but they meet at their estranged father's funeral. The father had moved to a small town and remarried and has a daughter, who is supposed to be their half-sister. Her whereabouts are unknown, as she left home at a very young age. One of the brothers mistakenly meets her, under very strange and disturbing circumstances...
Junichi is a drug dealer who has no place in society and wanders the streets. The only thing that makes him feel alive is running and sex. Kumiko is raped by the misanthropic Junichi, but for some reason she is attracted to him and falls in love with him. However, after being chased by the detectives, Junichi disappears from Kumiko's life and starts working at a factory in the town where she washed up...
