A husband who doesn't care about work. In addition, she distracted her growing loneliness with an immoral act with a man who called herself "teacher" whom she met on SNS. However, one day, she finds out that her husband, whom she had thought had cooled down, still loves her, and she breaks up with her teacher. … However, the “teacher” said that it was not an affair if it was anal sex, and forcibly dragged her into an anal hell.