Reiko visits her son's couple's house to celebrate the birth of their first grandson. - The son and his wife welcomed Reiko and talked about the reunion after a long absence. - That night, the boy happens to see his mother bathing. - The son was excited by his mother's naked body. - At midnight, he eagerly aspired to his wife, who had been absent, for the first time in a long time. - However, her wife rejected it this time as well. - The sexual desire of the heightened son searched for an outlet. - He sneaked into his mother's bedroom, gently flipped over the duvet and began to groping her mother's crotch. - The horny part that gradually gets moist. - The boy took the plunge and fired at her mother's hair. - The mother, who wiped the semen off her eyes, was worried about her son's eccentricity. - The next day her wife goes out, and the son, who is alone with her mother, hugs her mother and begins to caress her roughly. - A mother who refuses her, but cannot overcome the power of her son and tries to calm her son with her mouth and hands. - Her last line was preserved, but her mother remembered her forgotten woman as her son sought hard. - At midnight, her sleepless mother quietly begins to comfort herself. - Her heartbeat is getting faster and faster. - Her self-reference becomes fierce with the desire to satisfy her woman. - She has a ripe body that Iku can't be satisfied with many times. - Her son appears in front of her mother as if she had been seen through. - Her mother, who is already in the body she accepts, cannot completely reject her son and is pierced by her stiff her son stick. - Her joy that filled her vagina wrapped her mother in pleasure and instantly culminated ...