Detective Conan: Jolly Roger in the Deep Azure
Koumi's Isle, a Gorgeous island in the Pacific Ocean. People pass an old legend down from generation to generation at which the treasure of two pirates there was an ancient ruin, the sea-bed Palace at the base of the sea. Mary Reed (who really existed 300 years ago), was left. After Conan and his friends and Koumi Island while on a break visit, they meet any treasure seekers. There was something questionable .