Yuujin ni 500 Yen Kashitara Shakkin no Kata ni Imouto wo Yokoshitekita no Dakeredo, Ore wa Ittai Dou Sureba Iin Darou友人に500円貸したら借金のカタに妹をよこしてきたのだけれど、俺は一体どうすればいいんだろう; 朋友把妹妹作为500日元的借款还给我、我该怎么办; I lent 500 yen to a friend. His sister came to my house instead of borrowing. What should I do?
"Until my brother returns the 500 yen, I will gladly become senpai's property as collateral!"
One summer day, Akari Miyamae, his friend's younger sister, came to the apartment of Motomu Shiragi, a university student. What is the secret behind this debt, and what is Akari's purpose...?
An overly-sweet cohabitation comedy that starts with one coin!