Tetsuya Ban

Reiko Nozawa, Shizue Sakamoto, Emi Kato, and Takashi Toda went mountain climbing. Takashi was in a love triangle with Emi and Shizue. Shortly after setting up camp by the river, Emi witnesses Takashi and Shizue having sex. She ran into the woods. But suddenly, she is attacked by someone...

The daily life of a female teacher appears calm and ordinary at first glance. However, behind her back, her husband, an elite teacher who works at the same school, continues to torture her with sadistic sex. Her husband played exam questions to violent students and played with the female students' bodies in return. When the female teacher goes out into the city at night to say goodbye to the ugliness and dirt hidden in her school and husband, she finds human liberation and a new way of life.

A female teacher is about to get married to her colleague, but is bored with her mundane daily life...