Yawahada Iro-kurabe (1984)

Fujiko has won a happy marriage after competing with her friend Kanae for Shunsuke, but her boring daily life and dissatisfaction with her husband only grows day by day. Meanwhile, Kanae, who has married a doctor named Seizo and lives a wealthy life, is also fed up with her boring daily life, although she has given up Shunsuke to Fujiko.