Manji(1998)

Sonoko is a married woman who gets to know a naive young woman, Mitsuko. Sonoko becomes enchanted with Mitsuko, and they begin a forbidden affair. The relationship comes to include Sonoko's husband, and the three begin a new life together... The affair features the nude actresses in daring lesbian love scenes. Film adaptation of Junichiro Tanizaki's literary masterpiece, "Manji."