In this school, there's a rumor about class 1-6. "If you ever have problems about money, visit class 1-6 after school." There, a strange pawnshop is run. As long as you have something to pawn, then you'll be able to borrow a large sum of money. How can a regular student have something valuable enough to exchange for a large sum? It is a shop that accepts human emotions as currency, with love being the emotion that is valued the highest.