A female college student who would have ended up in an ordinary life, ordinary sex, and eventually an ordinary marriage is drawn into an unusual sexual experience by chance. She's a private tutor who intervenes between a son and his mother. This strange love triangle creates a skewed sexual relationship. Nikkatsu depicts the subtleties of female psychology, which sways subtly in such a perverted world.
| Directing | Katsuhiko Fujii | Director |
| Writing | Masato Katō | Screenplay |
| Writing | Yu Mitsui | Screenplay |
| Production | Yoshihiro Kawasaki | Producer |
| Editing | Shinji Yamada | Editor |
| Writing | Junichi Tate | Original Story |
| Camera | Koichi Suzuki | Director of Photography |
| Directing | Yasunobu Takahashi | Assistant Director |
| Art | Takegen Sakaguchi | Art Direction |
| Crew | Katsunari Uchida | Lighting Camera |
| Sound | Shigeru Yamakawa | Songs |
