Marie is a chubby girl who's steadily paying off her debts by working at a brothel introduced to her by a black-market lending company. One day, she meets a guy on the street by the name of Kazu. Taking an instant liking to him, she invites Kazu to come live with her. It soon becomes apparent that he doesn't seem to have a job and the allowance money he receives from her goes straight on playing around. In spite of this, he is always on hand to lend Marie an ear when she talks about her insecurities. Though Kazu is somewhat of a freeloader, she enjoys living with him but things take an unexpected turn when one of her regular clients suddenly proposes to her. Marie confides in Kazu by telling him what happened. After she wakes up next day, she discovers that he has disappeared. Several days later, she finds Kazu and accompanies him to his house. Waiting for them is Kazu's wife, Mitsuko, a beautifully slim lady and the mirror opposite of Marie.

Nozomi, a teacher, returns to her hometown after encountering some trouble. By chance, she reunites with her former classmate Sanae and her husband, her former teacher Yoshihiko, and ends up living with him as a tutor for his stepson, Atsushi.

8:20 A.M. Three separate groping incidents occur within the train which is packed to 170％. Kimiko, a librarian, has lived her life ignored by the people around her. Even if it means she’s getting groped, she feels happy because that means at least someone wants her. One day, Kimiko’s affair with her boss at the library is discovered by his wife. As she gets on the train in desperation, she feels someone touching her butt. Bank teller Asami is a woman of high expectations – the things she wears, the men she dates must all be top notch. However at 30 she is still single. Desperate to find someone in a hurry, she meets Nozaki, a man who owns a company in Los Angeles. She accepts his proposal, however… Policeman Ryoko Mamiya is pursuing a habitual groper nicknamed “Scorpion.” Ryoko is passionate about protecting women from despicable criminals like the Scorpion, but one day, she gets groped by the Scorpion herself…

Meet Teruhiko and Kaoru. They got married after meeting at a match-making omiai date. Because her husband Teruhiko is obsessed with cleanliness, Kaori finds her daily life to be extremely rigid and strict. Kaoru has a small fetish and feels abnormally extreme excitement towards the smell of men’s sweat and body odor. However, she is unable to reveal this aspect of herself to her husband. After Teruhiko goes to work, she uses her carefully collected specimens of smelly men’s clothing to bring herself to a state of ecstasy. After she is finished, she sits silently, using tissues to thoroughly clean the sofa, floor, and whatever areas are soiled, and flushes them down the toilet one by one. However, one day, the toilet becomes clogged from all of the tissues. When she calls a plumber to fix the problem, a sweaty man named Asano shows up. Kaoru, who is extremely aroused by his smell, is met with Asano who realizes her quirk.

From the first moment, Haruo saw Makoto in a busy street crossing, it was love at first sight. He spent five years stalking her and looking at her in her house through binoculars from his apartment across the street. Watching Makoto’s seemingly perfect life with her husband became a daily habit for him. He even mastered lip-reading in order to act out conversations with her. One day. Haruo witnesses Makoto’s husband, Mikiya, having sex with another woman. To expose her cheating husband’s lies, Haruo takes photos of the incident and sends them to Makoto, along with a letter, However, when she receives the photos, she throws them away without any reaction, and their normal husband-and-wife routine resumes as if nothing happened. [Exists in 2 versions: the original R18 version, and the R15 edit version]

The third installment of this erotic drama depicts a new type of marriage in which a woman embraces another man for the sake of her beloved husband. Yuki, who married her first love for love, begins her newlywed life full of hope. However, due to Yuki's lack of experience with men, their nighttime married life begins to go wrong