A widower's researcher and three women interweave a carnal communion! Researcher Keisuke Taniguchi has finally derived the results of 30 years of research that "sexual desire has the greatest impact on the human body." In order to confirm this, I made an appointment with three women of different ages, but the women who appeared in front of him were nasty and lascivious beings who wanted to far exceed their expectations! - Each of the different types of intriguing women is very excited about the appearance of the narrow screen and pleasure! It is one that also has blood flow in the crotch!