The Love That Is Wrong (1993)
A girl in a lesbian relationship wants a male suitor to impregnate her. Her partner reluctantly agrees and gets really hurt when she sees her screwing the guy and really enjoying it.
lesbian
To Seduce an Enemy (2003)
A businessman hypnotizes his wife to seduce and kill the private dick she hired. He also hypnotizes his female employee into thinking that he is her boyfriend so that he can screw her.
The Handmaiden (2016)
A young lady, who is engaged to her uncle and trying to elope with another man at the same time, falls for her handmaiden and is taught some lovemaking basics by her. Later, after the lady marries, she and her handmaiden make out while her husband is sitting just a few meters away.
World of Sexual Fantasy (1976) aka Fantasm
Husbands play poker with their wives as bargaining chips. The stakes are more than just stripping.
The Breastford Wives (2007)
A married couple cheats on each other when they are seduced by Breastford town’s mind-controlled, sex-crazed women.
The Kids Are All Right (2010)
A lesbian misses the D and cheats on her female partner with the sperm donor of their children.
Deviant Obsession (2002)
A female lawyer screws her boyfriend’s pal while the boyfriend is in jail. Plus, she poses as a stripper in a club to prove her boyfriend’s innocence.