Mika had two secrets that could never be told to anyone ... One is that he has a relationship with his son Shintaro. She accepts Shintaro, who is pampered by Mika today, because of her loneliness without her husband. And the other is that it was developed by my son's friend Shimada and is captivated by anal fuck. One day, Shimada made a proposal to Mika who became a body that could not be helped without anal stimulation. Beautiful mature woman Mika Matsushita finally lifts the ban on anal fuck! !!