One Piece: Nanatsu Shima no Daihihou is a single-player role-playing game in which players control the Straw Hat Pirates as they navigate through various challenges and battles on an island. In this game, the storyline follows Luffy and his crew after their ship is destroyed in a storm, scattering them across an island where they must reunite and confront the Simon Pirates to progress. It stands out with its integration of the beloved anime's characters and storylines into turn-based RPG battles, featuring fantasy and comedy themes that reflect the show's tone and style.