After three years of marriage, the Oishi couple began to long for a child. However, they were not blessed with one easily. One day, a flyer for a "fertility massage" found its way into their home, and Kaori, the wife, decided to try it out, just in case. At the salon, the massage deeply stimulated Kaori's inner vagina, overwhelming her body with pleasure and causing her to accept the rigid erection. Captivated by the repeated lewd treatments at the shop, Kaori continued to visit frequently...