The Melody of Oblivion - Season 1 Episode 12 Maze Island
Overview: In Bocca and Sayoko continuing search for Kurofune, they find Kurofune's Aibar machine, "Jaguar of the Sun". The Aibar machine reveals to them that Kurofune is on a very strange island. They try to make their way to the island and end up in a cave with strange murals.