Not all students who attend university come from wealthy families, so there is a scholarship system to help such students, but in reality it is like a loan, and the money borrowed while in school must be paid back after entering the workforce, and in the recession, it has to be paid from an already small salary, so there is no end to those who take on side jobs to repay the loan, or quit their jobs and turn to prostitution. Aoi, who graduated from university and got a job at a bank, is one of those girls who are struggling to repay her scholarship, but since she can't buy clothes on her own with just her company salary, she starts using a sugar daddy site as a part-time job, and there she meets the rich man's spoiled son, who skillfully invites her to his house, and Aoi lets the old man play with her body in order to get some pocket money...