Sumire, who had started dating her childhood friend, suddenly faced her father's company going bankrupt. Worse still, their home had just been renovated, leaving a large loan outstanding. Sumire's father, who had been looking at Sumire's boyfriend with lecherous eyes for some time, sought money from him in exchange for his daughter's services. Furthermore, he didn't stop at her boyfriend's father but planned to start an illegal brothel business with neighborhood uncles as clients. The innocent and pure Sumire gradually awakened to the pleasures of service using lubricants and other tools, descending into promiscuity.
