Erina Miyai

Miyai lives in an apartment building down the hall from a man whom she thinks raped her several years before. When she sees him carry out a brutal double rape, she is sure of it. Unfortunately, her kinkier side prevents her from notifying the authorities, because she finds herself highly aroused by his actions. (Robert Firsching)

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)

A beautiful young ballet dancer is accepted into a prestigious and exclusive dance academy. Overjoyed at the opportunity to further her career and repair her relationship with her boyfriend, she soon discovers that the academy has a much, much darker side to it--and she may not be able to escape it. (imdb)

A serial rapist prowls the streets, violating women in a ghastly fashion and disposing of the bodies in an abandoned building. Over the course of the film, several people witness the crimes but instead of reporting them they just start raping and killing as well.

Sometimes… Like a Prostitute is a 1978 Roman Porno film directed by Masaru Konuma and starring singer Rei Nakanishi, whose hit song inspired the story.

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...

Kizaki kidnaps Yuriko and engages in a rape and torture session with her, which he photographs. With the photos, he blackmails flower arrangement teacher Yumeji, Yuriko's older sister. Rather than allow him to shame her clan by sending the photos to the media, Yumeji goes to Kizaki. Kizaki then proceeds to rape and torture Yumeji, who was his true desire all along.

“Get them all – girls, school credits, money – without an effort!" These are the rumors that freshman Hachirota Kawachi heard about the pep squad; his reasons for instant enrollment. Hachirota may fall a few screws short of a hardware store, but when it comes to yakuza ties, he has plenty. He is the direct descendant and heir to the notorious Akushin-kai gang. Although this was enough information to keep the pep squad seniors quiet, it’s not quite enough for Aota.

A bar owner named Kuroki forlornly waits for his adulterous wife to get back from messing around with her boyfriend. She returns, but because she's been fooling around with gangsters she brings trouble with her. Kuroki gets tied up and beaten, his wife and customers get tortured and raped, and it is finally up to the mousy cuckold to set things right, Straw Dogs-style.

Tomomi and Hiroshi are on their honeymoon. During the seaside drive, she happens to see a girl being sexually assaulted. This sparks old memories of a rape which had deflowered her when she was much younger. Then, by coincidence, shortly after the couple arrives in the resort town, Tomomi spots the man who had raped her. He’s now working as a hotel bartender. Even though she immediately remembered him, the man did not recognize her.

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.

Kenzo, Azusa's husband, has a heart condition but his passion for sex has not diminished one iota from the time he was still a virile, young man. Azusa does not refuse her husband for he is a money bag and if he should die of excess sex, she will come into a vast fortune. If only Azusa could kill him without staining her own hands... Unable to do it alone, she asks the aid of Naoya who is only too glad to help.

Hatsuto Shindo is a preparatory school student who is treated with indifference by Rika, the girl of his dreams, and at home his father, Sabato, tells him to study harder. At night, however, the sound of his young wife, Akemi's delighted voice makes him lose himself in his studies, and he begins to masturbate while squeezing his crotch. One day, Hatsuto calls Rika to a park and tries to attack her, but a policeman arrives, and as he tries to escape, he falls into a hole in the ground.

Ryoko gets sent to prison for attempted murder after stabbing her two timin’ man with a pair of scissors.

Nikkatsu Roman Porno