Wataru, asked by his friend's mother Juri, who runs an esthetic salon, to be a trial monitor. As he receives her treatment for the first time, he feels both nervous and excited... For a virgin like Wataru, was the stimulation too intense? He can't help but get an erection. Upon learning that he is inexperienced, Juri teases him mercilessly, focusing only on his most sensitive areas... Having experienced the allure of an adult woman's eroticism, something young girls can't provide, Wataru finds himself increasingly addicted to the pleasures of the esthetic salon.
