Isao Hayashi

A female teacher Kumi Yamamoto was raped by a man who attempted suicide. During Kumi's class, a woman in a miniskirt suddenly entered the classroom and shouted, "Is Yuichi Kobayashi's son here?" Yuichi Kobayashi was the name of the man who raped her. The woman in the miniskirt was Maria, a debt collector, and she had come to find out where Yuichi was, calling for his son, Kotaro. Kumi learns that Yuichi is on the run from his debts. Yuichi tries to have sex with Kumi again, but she vehemently rejects him. The next day, as Kumi is comforting Kotaro, the biology teacher, Saiki, enters the classroom and makes advances on her. Kumi calls Yuichi and demands sex from him. Meanwhile, Kotaro succumbs to Maria's temptation and becomes addicted to sex.

Roman Porno from 1972.

Frustrated by claims that he raped a fellow student, Daisuke drops out of high school before a verdict is reached, lashing out at Shimako, a sympathetic teacher who believes he should stay and prove his innocence. Though Daisuke flees to a remote seaside town, their paths seem destined to cross again, threatening to reopen fresh wounds before they can heal.

A seemly ordinary high school girl tormented by masochistic visions gets involved with a teacher who harbours a secret passion for her.

It’s coming up to competition time for the pretty office girls of the Kara Cosmetics Company. Kei (Junko Asahina) and her co-workers are preparing their amateur rhythmic gymnastics team for an upcoming competition. In order to assist the sexy ladies, Aoki (Funasaku Sasairi) is brought in as their new coach. As the team wonders about the coach’s ability to perform both on and off the court, Kei’s relationship with him is revealed. Long ago, Aoki slept with Kei before a competition and she lost. Now, he’s worried it will happen again! Can the coach overcome his sexual issues and help Kei win this time?

A woman who lived an ordinary life as a housewife in a housing complex in the suburbs. One day, a yakuza comes to her to pay off her late mother's debt. Indeed, it was written in her mother's handwriting that her daughter would repay the debt if something were to happen. Confused, the housewife can't even tell her husband about the debt, and begins prostitution at the yakuza's command... Will she return to her normal life? The 21st work in the long-running Nikkatsu "Apartment Wife" series.

Two delinquents and a pervy bus station janitor hijack a bus full of upper class high school students and a female teacher. They proceed to rape and terrorize the ones they find attractive.

A horny scientist who is married to a hot wife and lives with his virginal step sister invents a drug that can make him invisible. Erotic high jinks ensue.

Yoko is a housewife who's frustrated by her husband's lack of virility. She finds solace in erotic daydreams, the ministrations of a condom salesman and, eventually, the partner-swapping lifestyle.

The story depicts how an intelligent, beautiful, and chaste female teacher becomes a woman who writhes in lust after being humiliated by the lecherous vice principal and students.

Fumiko Matsuzawa (24), newly assigned to Fujioka High School—a den of delinquents—becomes prime prey for the students almost immediately upon her arrival. Male students hurl obscene remarks at the beautiful, voluptuous Fumiko. Little does she know that among them is Takaaki, the younger brother of her boyfriend, Motoaki. As usual, Takaaki and his delinquent friends roamed the streets looking for victims to gang rape, eventually targeting a younger student named Maki. Seeing her former self in Takaaki's self-deprecating attitude, the polar opposite of his elite older brother Motomasa, Fumiko began paying special attention to him. Though Takaaki verbally rejected her advances, sensing a familiar vibe, he gradually opened up to her. But when Takaki finally returned home after so long, what he saw was Fumiko and his beloved older brother, Motomasa, in each other's arms. Takaki cursed them with vile words.

A soon-to-be-married woman goes to Tokyo to beat multiple sexual world records before her freedom expires.

An expedition in the South Pacific lands on a tropical island where the natives worship the mysterious deity Gappa. An earthquake opens up an underground cavern and a baby reptile is discovered inside. The natives warn the foreigners to leave the hatching alone, but they don't listen and take it back to a zoo in Japan. Soon after, moma and papa Gappa start smashing Tokyo looking for their kidnapped child.

Yoko is upset when her father remarries and begins rebelling against her new stepmother. First, this is accomplished by promiscuity and partying but eventually her schemes take a much darker turn...

An office vacation at a luxury resort descends into debauchery when the men repeatedly assault the office ladies in various unsavory ways.

Ding dong. Who’s that! Why its the new maid. She cooks and cleans and gives extra special sexual service to members of the household. But the poor girl can’t seem to get any satisfaction.

Seiko entered the medical school of a certain famous private university without any problems, passed the national exam, completed a year of training at the university hospital, and now works at a clinic run by her senior colleague, Toda. Toda is also a lecturer at the university, so she substitutes for him on Mondays, Wednesdays, and Fridays.

A young girl who has been made a maidservant in the harem of the Tokugawa shogun. She is entrusted with the role of the mistress's maid and gradually grows up to be a woman.

I'm craving it again!!! What's virginity anyway?! Three plump, hot, sweaty college girls in a hilarious sex comedy romantic Nikkatsu film where they have fun enjoying the climax of their student days.

Two couples engage in adulteries with each other then discover the joys of wife swapping when they meet another free spirited couple.

A junior high school student spends his nights hanging out at the disco. At home his parents are more interested in swapping partners with willing couples than spending time with their son. One evening, while shoplifting, a young woman gives him a hand and helps him pull off the snatch. Mesmerized by the woman he follows her to where she lives. After he makes a fumbled attempt at raping her she lets him stay and they spend a lazy summer together.

Yukichi Asano and Kiriko, his wife, love each other very deeply and are completely happy in their cozy, little flat. Then Yukichi discovers that Kiriko had once worked in a blue film, a thing unthinkable to a man like Yukichi and his love turns into burning hate and jealousy. He burns the film and tries to forgive his wife's unfortunate past but Kiriko suffers a thousand deaths for she had actually worked in four more blue films.

Battle between international criminal organizations and the secret team of international police formed against these organizations. An action drama incorporating element of children's hero program, Tokusatsu, such as characters with superhuman motor nerves and the appearance of super machines. "Strada 5" is the name of this secret team.