"Actually, I was thinking about divorcing my husband until recently..." Mutsumi Toyokawa, 48 years old, full-time housewife. - This year marks the 23rd anniversary of my marriage to my husband, an office worker, who I had an arranged marriage with at the suggestion of my parents. - A happy married life that may seem ordinary. - However, the moment my child grew older and I could no longer take care of him, I heard the devil's whispers in my mind and body. - ``My best friend, who was divorced, had many boyfriends and seemed to be having fun...'' At first, Mutsumi was worried about her best friend, and sometimes even lectured her. - However... "Actually, I was really jealous. I'm so busy every day..." Although she couldn't find any meaning in their married life for a while, she decided to stay and have an affair for the sake of her child. Her determination and conflict are reflected in her story. - Take a look at the intertwined immoral and unfaithful sex.