<Beautiful MILF "Toma Yuki" debuts anal!> Two years have passed since she married her husband, the successor of "Toma Hospital." Having grown up in a welfare facility with no family to call her own, Yuki thought this was the first happiness she had ever experienced, but in reality, she was merely used as a breeding tool to produce an heir. In an attempt to fill the void in her heart, Yuki begins a relationship with the chairman's younger brother. However, their relationship is quickly discovered, and she is abandoned not only by her husband but also by her father-in-law. And so begins the tragic anal training of a family of doctors with pathological sexual tendencies...