My Wife's Lover (1992)

In this erotic drama from Hong Kong, a young couple's marriage is beginning to grow stale as they become disenchanted with one another. Both husband and wife find themselves attracted to other people, and he begins having an affair with a beautiful and sexually adventurous photographer. What he doesn't know at first is that his wife is also exploring infidelity with the same woman.
• Tags: lgbt, infidelity, marriage, topless, hairy, cheating wife, masturbation, cuckold