Sumire started dating her childhood friend, but suddenly her father's company went bankrupt. Moreover, the house has just been renovated and there is a large loan remaining. Sumire's father asks for money from Sumire's boyfriend's father, who has been looking at Sumire with nasty eyes for a long time, in exchange for his daughter's service. In addition, not only the boyfriend's father, but also the father of the neighborhood as a customer and the father who tries to start a legal escape. - Sumire, who is pure with a naïve heart, gradually awakens to the pleasure of service that makes full use of lotion and falls into nastyness.