"Actually, I was thinking about divorcing my husband until recently..." Mutsumi Toyokawa, 48 years old, a full-time housewife.This year is the 23rd year of marriage with the husband of a salaried worker who got married on the advice of her parents.She is a happy married life that she got even though it is mediocre.However, at the moment when the child grew up and became unmanageable, the whisper of the devil heard the leeway of her mind and body. "Her best friend who divorced her was making boyfriends and seemed to be having fun ..." At first, Mr. Mutsumi said that he was worried about such a best friend and sometimes preached.But... "I was really envious. I'm busy every day..." For a while, she couldn't find any meaning in her married life, but she decided to stop and choose the path of cheating for the sake of her child. Look at the immoral unfaithful sex that crosses her.