少女首領の推理領域 -黄金島の密約-

2002. On the Guimul Islands in the Atlantic Ocean.

The story begins when the protagonist, who left the island as a child after her parents divorced, returns home for the first time in 10 years.

While reuniting with her father, a mafia boss, he dies a suspicious death.

Knowing that the island is controlled by four mafia families, and that even the police would find it difficult to investigate the case without the mafia’s help, the protagonist decides to follow in her father’s footsteps and uncover the truth behind his death.