Nikkatsu Roman Porno, the second entry in the Maruhi Oo'oku Gaiden series. Recieving a mysterious foreign love potion, the Shogun's harem (or Oo'oku) becomes disordered; meanwhile a famous woman attempts to enter and seek revenge in the disguise of a male monk.

Okoma (Red Cherry) was a woman gambler until she retired from the yakuza world. Two years later, she returns home, and finds that the big boss has been assassinated and his daughter is having trouble keeping things in line against the rival gang headed by the men who killed her father. Okoma decides to avenge her former boss and help his daughter, a former friend of hers. She recruits her own gang, starting with an expert knife-fighter, her former lover. After a fight, the new Gang Leader captures and tortures Okoma sadistically.

Sachiko has just committed a crime. She is helped by a couple to whom she grants her confidence. Quickly this couple blackmails her and threatens to deliver her to the police. Sachiko has no other choice but to obey them.

Kiyomi, a popular hostess at a bar in Shinjuku, has a traumatic childhood that makes her only sensitive to sexual intercourse with women. One day, the girl she loved as a junior hostess betrayed her and slept with her man. Uncomfortable with men, Kiyomi "swaps places" during sex with her new girlfriend, a trans woman Kaoru.

A rape victim realizes that she enjoys sexual assault and continuously offers herself to various men while searching for her original rapist.

Yuko (Masumi Jun) is the number one, top-grossing prostitute operating at Paradise Bath House. She's a smart girl, a college graduate. Kaneyo, her second best, is not happy about this. After a few confrontations between the two whores, they have an impressive fight in the soap suds. A new girl arrives, Kinuko (Yuri Yamashina) who is instantly popular with all the gents due to her soapy-hand technique. The calm days at Paradise bath House seem to be back, only their male customers are being robbed, with evidence falling either on Yuko or Kaneyo.

Nikkatsu Roman Porno

"After leaving the Yakuza, Oman embraces a quiet normal life - only to be dragged back into a world of violence, when seeking revenge for the brutal murder of those close to her." - Adapted from the late October 1972 issue of Kinema Junpo

A young couple and his wife's sister live in a housing complex. When her wife becomes suspicious of the relationship between her husband and her sister, she falls into an unexpected trap.

The story of a courtesan that was once popular in Yoshiwara. She is good-looking, but for some reason, three of her customers died unnaturally, one after another. As a result, she is feared by potential customers, and no one cares for her...