Regardless of age, widespread social stress and increasing beauty consciousness among younger demographics have led to a significant drop in the average age of female customers visiting massage parlors in recent years. Still physically and mentally underdeveloped, these girls cannot endure intense stimulation and lose the ability to act of their own will. When the cruel masseur's hands begin stimulating their bodies, their undeveloped breasts tremble, and confused, shameful moans escape their lips as overwhelming desire overtakes them, driving them toward their first experience of orgasm.