Utsukusiki Wana - Zanka Ryoran

34-years-old Rika Ikeda has an affair with 54-years-old Sota Kashiwagi. The director of the company where she works, Sota is also married to Mitsuko and they have a daughter. Although Rika deeply loves Sota, he eventually betrays and dumps her. Through a blind date, Rika meets Keiichi Ochiai who is a very close friend, almost like Sota Kashiwagi's younger brother. And then the woman decides to take revenge.