Exclusive to Tokyo One Piece Tower, a special film ties in with a real treasure hunt event in partnership with Takarush Corp. for a limited time, titled Treasure Hunting: Tongari Shima no Daibouken. Participants delve into the secrets of ancient writings discovered by Luffy, Usopp, and Chopper, embarking on a quest to locate the den of the enigmatic creature called Tongari Ton. The story unfolds following the culmination of the treasure hunt at Tokyo One Piece Tower, as the Straw Hat Crew falls into a trap, deceived into unlocking a chest within a cavern they believed held the fabled Tongari Island treasure.