Ayumi is a college student who is not interested in women and he is in love with his neighbor. One morning while he is at home he found his neighbor, Kaito, in the hall who borrowed money from Ayumi, his neighbor told him that he does not like to be in debt to nobody. Ayumi when returned of the university find again Kaito in the hall, and invites him to pass one his house, his neighbor decide to pay his debt helping Ayumi to masturbate. How will this relationship end?

From Renta!

Ayumu is a struggling student. He's boiling up with dirty thoughts about Kaito, his neighbor. His daily routine is to play with himself while listening to his neighbors in bed. One day, Kaito stops Ayumu to borrow some money. It turns out that he's the neighbor's freeloader! Kaito tells him, "It's my principle to not have any 'debts'." In return for cash, he begins to sleep with Ayumu. Kaito ends up moving into Ayumu's home. Having to support both himself and Kaito. Ayumu becomes desperate to make money..