After three years of marriage, the Oishi couple started to want a child. However, they were not blessed with one easily. One day, a 'Fertility Spa' flyer found its way into their home, and Yuka decided to give it a try just for the heck of it. During the massage performed there, her vagina was thoroughly stimulated, her entire body dominated by pleasure, and she ended up taking in the hard, erect cock. After that, Yuka became addicted to the lewd treatments at the shop and kept visiting…
