Chapter 531: The Ryugu Palace! Taken by the Shark that they Saved!

The Episode 531 of One Piece begins with a flashback, displaying how Ishilly and her buddies were imprisoned by Caribou. The flashback ends with Caribou claiming how he must thank the Straw Hats for taking him to Treasure Island. In the meantime, the Straw Hats, along with their buddies, talk with themselves and King Neptune. In the end, King Neptune told them that Zoro has arrived at the Ryugu Palace before them and that he had impolitely asked to have some sake to drink while waiting his crew. The episode ends when Luffy is dodging her tears and with his remarks on the attitude of the princess.