Dan Oniroku: Crimson Sisters

An unsatisfied married woman reconnects with a friend who has been engaging in peculiar sexual practices with her own artist husband.

When the boss of a yakuza clan in 1920s Osaka is assassinated, Oryu, his mistress, vows revenge. Her search for the killer takes her out of the city. The old boss' son proves a poor leader, only interested in Omitsu, his high-class girlfriend. Yajima, the second-in-command, is taking advantage of the situation to accumulate power for himself...

The beautiful Shizuko and her husband Toyama Takayoshi have a loving relationship, But Takayoshi is getting older and isn't always able to perform. His primary source of gratification involves observing his wife in sadomasochistic scenarios so he commissions a painter, skilled in the arts of bondage to bring these fantasies to life. Soon, Shiziko becomes a willing and submissive participant in fulfilling the S&M fantasies of not only her husband but a slew of rich lecherous men.

A woman gets caught by the wife of her lover which results in a stabbing. Feeling guilty she runs away and joins a nunnery. But she soon discovers that several nuns and a well known author have turned the place into their own personal S&M playground.

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

A businessman is ruthless with his competitors, and in response his competitors after being driven out of business kidnap aforementioned business man's wife and start training her to be a porn star, particularly of the S&M/bondage variety

A mailman becomes obsessed with a pretty, young wife. He captures the woman, tortures her and keeps her in his basement dungeon where she becomes his private sex toy.

The wealthy president of a company has built up an unpayable debt to a local crime lord, and to escape punishment he sells his famous dancer wife to the lecherous old man figuring a 90 year old can’t do too much bad with her. Perhaps not, but others can while he watches. She’s put on stage in an underground BDSM sex show and begins a spiraling decent from strongly independent woman to submissive sex slave

Shizuka is the aristocratic wife of the president of a large company. When she wants to divorce her domineering husband, he orders his employee Yoshi, the son of an adult toy store owner, to train his wife to become sexually submissive.

A young woman gets a new job as an executive secretary. Her boss discovers that she resembles her late mother who he desired but lost to another man. Seeing his chance for revenge the boss and his sadistic circle of friends make plans to turn her into his personal sex slave.

During World War II a moral corrupt judge uses the military police to falsely accuse and imprison a high class business woman who captures his eye at a party. In his personal underground dungeon he subjects her to various humiliations and sexual abuse.

A female teacher who is skilled in kendo is assigned to a rural high school in a beautiful remote valley. But she is soon trapped in a wide conspiracy of lust and perversion by those around her.

The daughter of a wealthy family rebels when her father remarries and she becomes a leader of a girl gang. She hatches a plot to use her stepmother to get a large sum of money by pretending to be kidnapped. But the tables are turned when gangsters intervene and capture them both. They are subjected to various humiliations and sexual perversions.

The story of the gambler,who is unable to pay his loan.His wife and daughter are kidnapped and subjected to many days of torture and sexual degradation.

A female teacher spots one of her students being molested by a vagrant. But her rescue attempt fails as the vagrant drags the teacher into an empty classroom and sexually assaults her. The student finds a school employee, a piano tuner, to try and help but all they can offer is some comfort. Later the piano tuner invites the teacher to his house. He wants her to be his obedient loving bride and has built a nice caged apartment in his basement all for her. He subjects her to an endless series of sexual humiliations to persuade her to say yes.

Akiko is the heir to a yakuza clan. Hitoshi, who has been kicked out of the rival Hono Clan after attempting to seduce Akiko, kidnaps her at the behest of Hanamura. Hanamura has formed a new gang and intends to use Akiko as a hostage to take over her clan's territory. During the torture and abuse sessions which follow, Akiko comes to enjoy the treatment and forsakes her gangland empire.