GVH-101 A beautiful wife, Shiori Kuraki, is taught anal sex by her family in every corner of the house.

Shiori lives with her husband's family, consisting of her husband, his brother, and father. However, due to her husband's infidelity, Shiori had already decided on divorce. One day, just as she was about to go to the ward office to get the divorce papers, an unexpected turn of events occurred... In a decades-old traditional house, the beautiful wife is half-forcibly subjected to anal training by her father-in-law and brother-in-law in places like the kitchen, living room, and hallway. However, she gradually begins to enjoy it more through her anus than her vagina, transforming into a perverted wife. Shiori reconsidered divorce with her husband and chose the path of being an anal slave.