Koichi Takahashi stands up to fulfill the request of the client who wants to have sexual intercourse with a close relative ... Voyeur the whole incest plan! A request from my son whose lust does not stop because he saw the naked mother who fell asleep during the massage. The director, who dressed as a musical director, met with his mother as part of the selection of his son as the leading role. Beginning with nude photography, after physical entertainment to the director, finally the strategy is decided. When the mother called by the director cooperates for her son, she changes into a bathing suit and blindfolds to help create a new choreography. The assistant who participated later allowed the body touch without knowing that he was a son, and it was erotic development as instructed by the director. A mother who is confused when she finds out the truth when she feels comfortable after being inserted. However, when she knows the circumstances and is embraced by her son again, she leads ejaculation at the woman on top posture.