She has been married to her husband, who became the successor of Toshin Hospital, for two years... Yuki, who grew up in a welfare facility with no relatives, seemed to be her first experience of happiness, but in reality, she was nothing more than a breeding tool to give birth to her heir. Yuki ends up having a relationship with her director's younger brother to fill the void in her heart. However, their relationship is quickly exposed and he is abandoned not only by her husband but also by her father-in-law. And then, the tragic anal training by a family of doctors with pathological proclivities begins...