Empire of Passion (1978)
After shaving her pussy, a married woman’s lover tells her that they should kill her husband because he will definitely know that she’s cheating on her once he sees her shaved pussy.
MILF
Anyone You Can Do… I Can Do Better! (2004) – Hentai
A wife gets into a sexual competition with her daughter over her private tutor.
Stepmother’s Sin (2001)
A son caught his mother screwing a guy in their home when he was young. He develops a hatred for women, so he seduces his new stepmother to prove that she is also a slut like his real mother.
Cougars Inc. (2011)
Four young students start an escort service that caters to hot, married women, otherwise known as cougars.
Taboo Charming Mother (2003)
A wife has an affair with her stepson.
Young Mother 2 (2014)
Because of a Pandora’s Box, Yeong-gil is experiencing either a recurring day or recurring dreams and he has no idea which of them are real and when they will end. In one of these days (or dreams), he gets to bang the mom of Joo-yeon, a girl who hires him to pretend as her boyfriend.
Antares (2004)
A wife is visited by his lover in Vienna and they have intense sex in his hotel room. One night, the husband wants to have sex with the wife, but when he takes a shower, she quietly slips out of their home to go fuck her lover instead.
The Mermaid Chair (2006) – Kim Basinger
A wife goes home to her hometown island, falls for a monk from the local monastery and bangs him in one of the uninhabited outlying islands.
Untold Scandal (2003)
A wife of a Lord tells her cousin that he can screw her if he can seduce and impregnate the future concubine of her husband. The cousin shifts the bet to a chaste widow, but also screws the future concubine, anyway. The wife takes on a lover herself.
Spanking the Monkey (1994)
A wife broke her leg and has her son help her do things for a while, including assisting her in the shower. One thing leads to another and they have sex.