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 raw 第01-03巻 [Yujin ni gohyakuen kashitara shakkin no kata ni imoto o yokoshite kita noda keredo ore wa ittai dosureba iindaro vol 01-03]

"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!