Extracurricular Activities: Almost Ripe (1978)

Dan Mitsu stars as Kana, a female employee at a publishing company who strikes up a sexual relationship with a younger co-worker. He soon discovers that Kana's fetishes extend to sadomasochistic tendencies, involving a mysterious man only known as "Sensei". This discovery will push his relationship with Kana to a new, dangerous level that he may not be ready for.

When successful business man refuses to save the business of his former business partner, his wife, a private teacher of written arts, and her student are kidnapped. The former business partner plans to execute his revenge by forcing both women into sexual slavery and forcefully train them into becoming SM porn stars.

A perverted dentist (and dental assistant) that likes to sleep with his patients, gets obsessed with one in particular who also happens to be a lesbian. He uses everthing he can think of to abuse this woman and her female lover. Ropes/Dental tools/Ice Buckets/Candles/ (the works) and sometimes he sets the mood with something from his classical music record collection.

A parody of Aim for the Ace! (エースを狙え Ace wo nerae!?), a tennis manga. Similar characters to that in the manga include "Madam Butterfly", a rich snob of a professional tennis player, and Hiromi, her suffering opponent.

A lovesick midinette ends up accepting a date with a stranger who buys her flowers every day. Charmed by his playboy physique, she moves in with him and submits to his fantasies.

Takako joins a convent after her lover's wife catches them in the act. She soon discovers that the nuns and a successful writer have conspired to engage in decadent S&M orgies. Based on the novel by Oniroku Dan.

Secretary Sayo does some corporate snooping for her boyfriend, an upstart executive with a rival company. But she gets busted by the CEO. Poor Sayo is captured and taken to a private torture chamber in the corporate mansion. While the secretary gets punished, the bossman's son becomes infatuated with her beautiful white skin and he assumes the disciplinary responsibilities. Between the floggings, stretchings, and wooden-horse tortures he finds time to cover her body in an elaborate tattoo.

Two sisters are captured by a bounty hunter for an S&M nightclub .

A viciously sadistic tale of an orgy of rape and violence in a Japanese high school.

University lecturer Yoshimatsu lusts after Mikiko. He attempts to get closer to her by seducing Mikiko's mother.

Caesar brings the Egyptian queen Cleopatra to Rome, but their intense passion for each other has started to cool. As others prepare seek to bring about a conspiracy against Caesar and Cleopatra, every night Cleopatra begins to dream the same dream: her former lover is killed by his close associates. Her high priest states that the dream is one of prophecy, and no action can stop the march of events. Despite this, the Egyptian queen sends her messengers to Caesar, seeking to warn him that the fatal wounds will be inflicted by Brutus.

Miki is the daughter of an affluent family. She's an elegant and sophisticated girl who gets captured by a secret admirer.

A high school student is captured and sexually tortured.

The Busty Cops are back, and must prevent Finkel and Billy Viscious from winning an election by any means necessary.

An innocent actress runs away from the scandal with an idol, the impudent idol that ruined her career, a passionate manager who is devoted to her and his ex-girlfriend who is now a sexy stewardess. These four that should never be together run into each other in an airplane. No one can run away and the most cheeky and erotic things happen here.

To promote his restaurant located at the base of a hiking trail, its married owner joins a mountaineering club where he meets an attractive divorcée.

Unlike his expectations, Hyeong-min is always miserable because of his wife who who doesn't care about him. To recover a sex life with his wife, Hyeong-min tries every night but he's always coldly rejected and this is making him depressed. One day, he goes out for some air and meets Hye-jin. When their partners aren't at home, they spend time together at each others' house. However, soon, they get caught and they come to a decision after a long talk...

Seong Soo, a twenty years old boy, decided to move to Seoul after being accepted into Seoul University. However, he was a victim of real estate scam. He then moves into his mother's friend's house. Moreover, it turns out that his mother's friend is a sexy self-employed mother and Seong Soo is attracted to her.

Ha-yeong is a successful psychologist. One day she gets a secretive request from her sister Ha-joo. Apparently Ha-joo's husband Woo-seong is refusing to have sex. Ha-yeong agrees to be their couple therapist but finds out that her brother-in-law actually has sexual desires for her and not her sister...

I want to spend all night with my friend's wife who is extremely sexy. Jeong-woo is a husband who can't get an erection while his marriage is going down the drain. A friend and his wife from the States suggest a couples trip and Jeong-woo meets his friend's wife Hye-sook who is extremely sexy. His 'package' keeps getting stimlated every time he sees her. He tries to ignore it but every time he sees her, he gets sexual fantasies. Finally, he suggests to his friend, to 'switch' partners...