The husband, who had become erectile dysfunction due to the aftereffects of the disease, did not respond to his wife Yumi's blowjobs and fell into a sexless marriage. Unsatisfied with her husband's devoted erotic massage, Yumi finally approaches her son-in-law! She makes his dick erect with a deep kiss and gives him a crazy high-speed blowjob, drinking it up to the last drop. As they were having sex, devouring the pleasure, her husband appears in front of them... His impotent dick gets excited and erect when he sees his wife being taken by his son! He then pounds Yumi in an incestuous threesome, bringing the whole family to a climax of pleasure!