In order to fulfill the wish of a client who wishes to have sex with a close relative, the GoGo's staff stand up... secretly filming the entire incest plan! - Director Takahashi receives a request from the mother's brother who learned of the incest between a mother and her son two years ago (True Story: Incest [29]), and the second incest plan is put into motion. - The older brother introduces the director to his mother (= younger sister), and when the three of them get drunk and get drunk, the older brother leaves the room. - The younger sister who drank too much is taken to the hotel by the director to take a break. - One week later, the younger sister who forgave her body went back to the director. - The director proposes a threesome, and the younger sister, who consents blindfolded, sees her older brother secretly appear. - The older brother calls out his name due to the excitement of licking his younger sister's genitals... After the spoiler, the younger sister is persuaded to have sex with his older brother just once. - The older brother thrusts violently into the younger sister who feels, “Big brother, it feels good.”