Sumire starts dating her childhood friend, but suddenly her father's company goes bankrupt. Moreover, the house has just been renovated and there is still heavy debt. Sumire's father asked the father of Sumire's boyfriend, who looked at Sumire with lewd eyes, for money in exchange for his daughter's services. Also, my father is trying to start a custom that violates the law as a customer, not just my boyfriend's father. Sumire, who is innocent and pure, gradually awakens to the joy of being served with lotion and so on. and fall into a nympho state.