Natsuo Kirino

Masako, Yoshie, Kuniko and Yayoi, each with their own set of family problems, work the night shift together at a lunch box factory. One day, fighting back against her abusive husband, Yayoi ends up strangling him to death. Masako agrees to help her dispose of the corpse. She gets the idea to cut the body into small pieces, and enlists Yoshie and Kuniko to help out...

The director Nagasaki transports us to the remote barren wilderness of Hokkaido, the most northerly of the four main islands that make up Japan, in a powerful and compelling three and a half hour DV-shot epic based on an original novel by Natsuo Kirino that ostensibly deals with the search of a young mother for her missing five-year-old daughter... (The Movie Database)

Several men and one woman have drifted to an uninhabited island. The only woman will try to survive by taking advantage of her own sexual attractiveness.