A high school girl who lives with her newlywed sister and her husband. She masturbates every day, becoming frustrated by the extreme sex voices of her older sister and her husband. Her energetic sister is not satisfied with just her husband, and she also has an affair with a salesman. Her sister sees this and seduces her sister's husband without telling her sister...
| Production | Eiji Tsuru | Producer |
| Directing | Minoru Matsui | Director |
| Production | Shigeru Shioura | Development Producer |
| Production | Kazuo Satake | Producer |
| Writing | Masami Himeno | Original Story |
| Writing | Bunshiro Tsuji | Screenplay |
| Writing | Minoru Matsui | Screenplay |
| Lighting | Yoji Nakazawa | Lighting Technician |
| Camera | Masahiro Tanaka | Director of Photography |
| Sound | Yoshika Imamura | Sound |
| Editing | Tadahiko Taira | Editor |
| Sound | Yugawara Atami | Music |
| Sound | Koichi Imaseki | Recording Supervision |
| Production | Hiroshi Nagamaru | Production Manager |
| Directing | Hideo Tsurumaki | Assistant Director |
| Production | Minagawa Takashi | Production Assistant |
| Camera | Yutaka Uehara | Camera Operator |
| Lighting | Kunio Satema | Lighting Technician |
| Costume & Make-Up | Irako Kubota | Makeup & Hair |
| Camera | Fumiyoshi Behara | Still Photographer |
| Production | Hiroyuki Nishimura | Production Assistant |
