Sachiko, a young woman frustrated with her life of dull routine, and seeking stimulation outside the deadening monotony of housework and catering to her needy husband, befriends Kobayashi, a neighbor whose wife has been carrying on an affair right under his very nose.
A middle-aged man walks up to young man who is sitting under a tree and shoots him. The film then flashes back to 1981, where a young woman steals a car with a baby strapped inside. She decides to raise the child as her own, and teaches him to shoplift from stores while she works as a prostitute. She strikes up a relationship with a convenience-store clerk, and the two eventually settle down together.
A perverted dentist and his assistant like to combine business with pleasure. They drug their pretty looking patients and then sexually abuse them in various ways. The dentist then becomes obsessed with a busty patient and her lesbian lover. He decides to give them the full treatment to the accompaniment of classical music.
Yuko is an innocent high school girl who has a crush on her gym teacher. She and her friends have a sleep-over party which develops into a sexual dare-game involving eels, and a lesbian orgy. Now sexually-awakened, Yuko decides to seduce her teacher, but is raped in an elevator before she meets her teacher.
Kyōko is a woman with a promiscuous past who is sexually unsatisfied with her marriage. Her frustrations lead her to have hedonistic dreams, such as her mother and grandfather having sex together. Seeking to rejuvenate her marriage, she throws a wild party. The ploy is a success.
Yukie is a young woman who works at her father's flower shop. She uses her job to hide from her problems including a marriage troubled by her sexual frigidity. Her husband and her best friend engage in an affair, and Yukie goes to her father for advice on how to save her marriage.
Tomoko suffers at the hand of her husband, Arakawa, who practises sadistic sex with her and various other women. After Arakawa dies suddenly, Tomoko is at first relieved, but then discovers that she is incapable of enjoying sex unless she is in a masochistic position.
A wealthy real estate investor is forced to watch the rape of his girlfriend and then is sent a film showing the fact. He hires a hitman, Sho, and shows him the film, so that the detective can get rid of the criminals. But the boss of the criminal band is Ko, Sho's archnemesis, who raped and murdered his girlfriend.
Yōko is a young woman who is forced into prostitution by a yakuza gang. She repeatedly escapes from the gang, and is repeatedly captured, and repeatedly tortured at length.
After the director's message, "I visualize the romance of Roman Porn and I attempt to share that image," a loosely-connected series of softcore sex scenes unfolds. The plot concerns Kyoko, a young Japanese woman married to a man in France. When he abandons her, she returns to Japan. With her sexual appetite now at a high pitch, she engages in sexual escapades with a wide assortment of people, including old friends, both male and female, and an entire soccer team.
The film is based on 17th century Chinese erotic novel by Li Yu best known as The Carnal Prayer Mat. Mio is a struggling writer who writes a pornographic book entitled Flesh Futon which becomes a surprise best seller. With his newfound wealth, Mio begins indulging in the nightlife, excusing his activities to his wife by saying it is for research. Mio's reputation comes crashing down when a prostitute reports that his penis is like a "guppy". More bad luck follows. His book is banned, and his wife puts him on a short leash. At the height of his misfortune, his house is robbed. Mio meets the robber who turns out to be the Japanese folk-hero Nezumi Kozō. The two become friends, and Kozō introduces Mio to a doctor who can perform penis-enlargement surgery. With his new equipment, Kozō and Mio become frequenters of the red-light district, until the real Nezumi Kozō appears, and evil luck returns to Mio.
In historical times, the Shogun family employs a group of Iga ninjas to take over the Akizuki clan's lands. The Akizuki hire the Fumi ninjas, a group of female warriors who enhance their fighting ability with sexual magic such as the "white snake spell". When the Akizuki emerge victorious, Tsukinojo, the leader of the Fumi ninjas, marries Lord Akizuki.
In pre-war Japan, Yumiko, an aristocratic lady, accompanied by her maid, travels to Tokyo to visit her brother. Unaware that her brother has become involved in anti-governmental activities and left the city, the two women are captured, raped and tortured by the military police. Two years later, during the war, the government confiscates Yumiko's estate, turning it into a torture chamber for the inquisition of prisoners. Yumiko and her maid are among those who are subjected to sexual indignities.
Designer Enatsu worries about his sexless life. Office worker Akane is getting ready to return to work while undergoing rehab at home for panic attacks. Elite advertising agent Ikeyama wants to end his relationship with his lover. A shabby man named Kurita appears before all three with a secret.
A female hair stylist is torn between two lovers as she waits for treatment in a gynecological ward. She meets the other patients who are there and gets to know their stories.
Housewife Kyoko begins moonlighting at a mysterious sex club as a means of rebelling against her boring salaryman husband Akihito. The Bedroom isn’t like any normal club, though: the female hostesses all take the powerful sedative Halcion to sleep through their encounters with the male clientele.
Yuki Onozaki, who was studying at a Women's College in Tokyo, was originally a young and ignorant girl, but her life changed completely in the summer of a certain year. During the summer vacation, Yuki returned to her hometown of Kyoto, only to be raped by the lover of her mother. Yuki then abandoned her studies and chose a depraved life. She met the gang leader Kiyoshi Oba and factory industrialists. Although these men could give her more or less physical comfort, they could not open Yuki's locked heart. It was not until the appearance of the young architect Yoichiro Honma that Yuki's love flower gradually bloomed. Soon, Yoichiro's first love while studying in France, Sandra, finds her, which makes Yuki's heart surge. After several twists and turns, Yoichiro decided to marry Yuki, but the trials never stopped...
A troubled ex-prostitute turned barkeep is enchanted by the love of a younger man named Kenichi. After trusting a violent junkie to help with her young lover’s singing career, she is sent to prison for murder. Now known only as Prisoner 101, she spends her days in the dirty prison system full of violent guards and sexually-aggressive inmates.
A sexually mature wife was overwhelmed by her desires. The person she chose to swap with was a lesbian friend from her high school days. She was impatient to wait for her husband, and began playing while remembering the past. Mixing in the pleasure techniques she had experienced since graduating, the lesbian play in all sorts of ways was exciting, and the two of them ascended to heaven at the same time...
Kate lies on the beach under the clear blue sky of the tropics, exposing her dynamite body to the sun. She meets a young man selling popsicles. The young man has been hired as a guide. He witnesses a girl being gang-raped in a hut. The girl is called Maria and is embraced by all the men in the village. At the request of the young man, he indulges in intense sex on the beach. And instead of the girl, he is gang-raped by the men...