Toshihiko Oda

The landlord of a boarding house in 1923 Tokyo, is keen on spying on the bizarre close encounters taking place beneath his roof. One day he sees a prostitute killing a customer, and decides he's found his soulmate. (imdb)

An old businessman is displeased with his young wife's haughtiness and refusal to submit to him him sexually, so he hands her over to one of his employees for "training". This involves rope bondage, humiliation and torture, treatment she eventually starts to enjoy.

High School Co-ed follows a biker gang whose members ride around beating up men and raping women until one of the members begins to develop something of a conscience, due to the influence of two women in his life: his younger sister, Megu, and one of his victims, Nami. When this happens, a conflict arises between the members of the gang and leads to a disquieting conclusion.

It's the story of a college coed who secretly works as a bar hostess to make money for her schooling. (Sex Files Japanese Cinema Encyclopedia)

Saeko is abnormally attached to her older sister, Yumi. When Yumi becomes engaged to Arikawa, Saeko schemes to separate the two. She seduces Arikawa who then becomes confused over his attraction to both sisters. He approaches their father about his dilemma. The father explains that the two are actually half-sisters, Saeko being the result of his affair with Tomoko, a family maid. After Arikawa explains this to the sisters, Saeko's obsession with Yumi seems to end.

The second of Nikkatsu's trilogy of softcore melodramas looking at prostitution in various Japanese cities, this dark look at ritualistic temple sex in Edo from director Noboru Tanaka is quite a departure from the light, comic tone of Chusei Sone's Maruhi: Joro Ichiba. (Robert Firsching, All Movie Guide)

Kazuko Shirakawa plays a girl who left home to satisfy her inner lust. Her passion turns to despair when she looks at her miserable life and sees the loss of her one true love and eventually becomes a prostitute. Everything is masterminded by her jealous sister, who hopes to bed her husband.

A somewhat liberal adaptation of the life of painter Shuu Ito, the film focuses on his sexual torture of two wives and a prostitute. Ito chronicles the sessions in journals, shares his pseudo-Sadean philosophy, and drives women mad with equal hell-bent intensity. (Robert Firsching)

Roman Porno from 1972.

Naomi Tani plays Ritsuko , a popular madame of a nightclub. But, ever since her gangster husband got caught and imprisoned, her life has taken a turn for the worst. Now, in order to pay off his debts to a yakuza loan shark, Lady Ritsuko is forced to engage in private sex shows for the VIP clientele. After a year of these special shows, the loan is almost paid off.

The lovely Ryoko is attending a Japanese University on an exchange program. She’s pretty, vulnerable, shy, and full of mysterious secrets. Meeting up with her long-time friend Rumiko, Ryoko shuns her aggressive lesbian advances by saying she’s still a virgin. Rumiko is surprised at this revelation and, over the next few days, she takes Ryoko on a series of misadventures to help her with her sexual awakening...

Mika Hino is a sharp-shooting investigator that belongs to the infamous "Gator Branch." When an executive board member of a trading company is accused of being involved in a bribery, Mika is assigned to keep watch over him.

Follows Ryoko, an older nightclub host, who has to choose between a relationship with her loser boyfriend who owes the yakuza money, and her music producer.

Roman Porno from 1975.

A schoolteacher gets a phone call regarding one of her female students. It seems that the young girl has been accused of prostitution, and requests help from her teacher. The young girl's situation brings to mind some dark incidents from the teacher's past that she is still trying to deal with.

The film depicts the private life wrapped in the mysterious veil of the dancer Gypsy Rose, who was known as the Monroe of Japan and enthused a wide range of fans.

A conflict erupts between the girl gangs of Kinjou Gakuen High School and Shiiba Girls’ High School. Sex, fights and rock music ensue.

Roman Porno from 1972.

Shizu is a housewife whose husband has just flown to Germany to work in his company's branch office. During her husband's absence, Shizu makes her first fatal mistake with her brother-in-law which leads to other men and her involvement with gangsters, dragging her into a mire from which she cannot escape.

A diary of an office lady.

In a free-spirited and rowdy slum a forbidden romance forms between a samurai and a lower-class girl who impersonates his future bride.

A man and woman meet when he pulls her out of an icy fountain that she has just jumped into. But their developing romance is marred by bad friends, money troubles, and illegal sex work.