Posing as a massage parlor employee, he approaches girls and housewives on the street and asks, "Would you like to be a free trial monitor?" The housewives who are lured by his sweet words are then covered in a special aphrodisiac oil, making them horny and then fucking them hard! As their ripe bodies are fondled, the effects of the oil gradually increase the women's sexual desire, and they end up climaxing against their will... 8 women included!