Gyakukōsen (1956)

A young writer begins an affair with an older woman from France whose open marriage to a diplomat dictates that they can meet only between the hours of 5 p.m. to 7 p.m.

A veteran high school teacher befriends a younger art teacher, who is having an affair with one of her 15-year-old students. However, her intentions with this new "friend" also go well beyond platonic friendship.

A grandmother has a passionate affair with a man half her age, who is also sleeping with her daughter.

Ironworker Nick lives with his wife, Kitty, and three daughters. When he meets a significantly younger woman, Tula, he starts an affair with her, much to the chagrin of his wife, and his life is thrown into upheaval. Kitty kicks Nick out of the house, and he is forced to make some difficult decisions.

Fred arrives at the doorstep of his beautiful young mistress Velvet after four years apart, claiming to have finally left his wife. But when she rejects his attempts to rekindle their romance, his persistence evolves into obsession — and a dark history between the former lovers comes into focus.

Two lifelong friends navigate complex sexual encounters and emotional entanglements, wrestling with societal norms and personal desires.

A failed novelist's inability to pay the bills strains relations with his wife and leads him to work at an escort service, where he becomes entwined with a wealthy woman whose husband is a successful writer.

When Larry and Maria learn that their respective spouses are cheating on them, they try to turn the tables on them by pretending to have an affair. However, they soon find themselves falling in love.

Lu, a conformist woman in her forties, learns that her 15-year partner has been having extramarital affairs. Starting from scratch, she gets involved in an unexpected relationship with a young womanizer.

Because of her past, 17-year-old Rio lives her days filling the emptiness in her heart with money—until one day, she meets a university professor named Kouki and falls in love.