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, Yuujin 500 Yen Kashitara Shakkin No Kata Ni Imouto Wo Yokoshitekita No Dakeredo, Ore Wa Ittai Dou Sureba Iindarou, I Lent 500 Yen to A Friend. His Sister Came to My House Instead of Borrowing. What Should I