Sachiko is supposed to shoulder the huge debt that her father made. She makes a contract to live in and pay it back little by little, but this contract contains a tremendous condition. She is forced to take off her clothes in front of her father and is forced to live naked. Physical reception of visitors. It is a cleaning fellatio after the master urinates. Forced erotic video shooting. And she experiences the ultimate shame of climaxing in front of her father...
