Shoujo Shuryou no Suiri Ryouiki: Kogane Shima no Mitsuyaku

On an island ruled by the mafia, a young girl's quest starts... This story takes place in 2002 on a group of islands named Gueml in the Atlantic Ocean. Our main character has decided to find out the truth behind the previous mafia boss' - her father's - murder. The islands of Gueml are divided into four parts which are all dominated by the mafia, so in order to get any leads, she needs to talk to...