Plot
Irina, the third daughter of the three Nemoto sisters, is a plain, college science student who wears a white coat and glasses at school. It seems that things are going well with her boyfriend Soga. One day, while Irina is studying ancient Japanese history, she discovers a system in which women share a man sexually.
Trailer
Trailer's not available.
Cast
Akika Kitagawa
Irina Nemoto
Anna Tomo
Masami Nemoto
Kyôko Kazama
Oriha Nemoto
Mutsuo Yoshioka
Sokuten Soga
Seiji Nakamitsu
Toshihiko Mitsukawa
Naohiro Hirakawa
Ginichi Kuwai
