Mura ni Ikken-dake no Fuuzokuden ni Ittara Osananajimi no Hahaoyashika Inakatta no Daga 村に一軒だけの風俗店に行ったら幼馴染の母親しかいなかったのだが, When I Went To The One And Only Brothel In Town, My Friend's Mother Was The Only Prostitute There