A mysterious erotic drama depicting the love affairs woven by the successive residents of a certain room. Director Fukamachi Akira, who knows pink films inside and out, has created an ambitious work depicting the ties of life and sex through the love stories of three couples who share the same room. A bird kept in a certain locked room has been watching over the residents. Ryuji (Shirato Katsunori) pressures his newly dating Miki (Tanigawa Aya) into living with him, but he has debts. A married woman ends up in the room after an affair with a university student. Saburo (Nakamitsu Seiji), whose wife and child have run away from him, enjoys life with Haruka (Hanazawa Lemon), who looks after him, but...

Yumi became the second wife of Tatsuo, an elite businessman. His son from his previous marriage, Yasuo, was troubled by the sounds of his father and stepmother having sex every night while studying for his exams, and ended up peeking into their bedroom. The next morning, when Tatsuo left the house, Yasuo could not bear it and asked Yumi to let him hold her just once. Yumi agreed, saying that she could not do so as it would interfere with his exams. After that, Yasuo visited Akemi's house with the condolence money that Yumi had asked him to give. Akemi, who had just lost her husband, indulged in masturbation in front of the portrait of the deceased. Peeking at this, Yasuo leaned over her, saying that he would comfort her. Akemi climaxed many times. Yasuo met a married woman, Emi, on a dating site and had sex with her in a hotel. In fact, Yumi, Akemi, and Emi were sisters...

The film is in a surreal style. The story involves a young high school teacher who has retired for marriage and seduces one of her former students. She prolongs the relationship by seeing the student whenever her husband leaves for work. Eventually she hides the student in a bedroom closet for more convenient access.

A daughter living far away is worried about her father, Naruse, who is an elderly projectionist at a movie theater, so she sends a housekeeper. The housekeeper bears a vague resemblance to the father's wife, who died young. Not only does she resembles her, but she also knows things that only a married couple can know. Who is she really?

Sachiko Uchida skips class and rests in the infirmary. That day, she sees a couple entangled in the bed next to hers. It's Narumi, a classmate, and Adachi, an upperclassman. Seeing the two begin having sex in hushed tones, Sachiko hastily leaves the infirmary. Then, one day, Yuki jumps from the school roof. She had been made a sex slave by a certain teacher.