My wife, Nanami, who was reluctant to live with her father-in-law at first, agrees that her dream private YOGA school can be done at her parents' house.One day, her father-in-law, who witnessed her being attacked and raped by a male customer during her private lesson, misunderstood that Nanami was cheating on her and extorted him.The father-in-law who once got out of tag continues to commit every time after that.Nanami gradually became physically and mentally dominated by her father-in-law and ended up having a physical relationship with her father-in-law even when she was with her husband.