After an office romance, Nao gets married and becomes a housewife. - After a while of a harmonious relationship between husband and wife, her husband starts coming home late... - Suspicious, Nao confronts her husband, but he refuses to deal with her and continues to have an affair. - Unable to bear the sadness, she gets close to her former boss, Ozawa, and they continue to engage in passionate sexual intercourse over and over again. - Since then, Nao has continued to have a relationship with Ozawa many times. - Even though he thinks that things are not good as they are, he turns his eyes away from the cruel reality...