Shinji returns from an overseas business trip and stays with his brother and his wife.My brother's wife Aki is super natural and clumsy!Every day, she is at the mercy of unconscious temptations such as showing her panties and breaking into the bathroom.One night, Aki, who was covered in mud, was forced to "have more trouble" and had forbidden sex next to her brother!The next morning, she loses her memory, but her body can't forget the pleasure and unconsciously tries to have sex with her at night!
