a widowed researcher and three women weave a fleshly bond! researcher taniguchi keisuke finally concluded after 30 years of research that the greatest influence on the human body is sexual desire. to confirm this, he made appointments with three women of different ages, but the women who appeared before him were far beyond his expectations, lewd and obscene existences! each with a different type of tempting woman, the screen is narrow with ecstatic bodies, causing great excitement! blood flow also rises in the crotch, making it a must-see!
