The father living alone with his son. One day, Sayuri, his son's girlfriend, came to the house. The father has a good impression of the clear-cut Sayuri, but what he saw that night was an intense riding position that couldn't be imagined from Sayuri's appearance! Her hips moving like pounding stakes, her breasts swaying wildly, her buttocks undulating violently! The incredible gap captivated both his heart and his penis, and the father wanted to experience Sayuri's riding position...
