A mother who cares about her daughter brings her to a certain oil massage parlor because she is "worried about her lower body" and "because my friend also had it done". However, contrary to her parental feelings, the beautician skillfully gets the shy daughter to get completely naked and massages her genitals thoroughly. The body of the young girl, who has a clear tan line, becomes super sensitive with the oil. Even though her mother is right next to her, she even has sex at her first massage parlor...