In Japan, the game was previously confirmed for release on May 23.
Here is a brief overview of the game, via Bandai Namco:
In One Piece: Grand Cruise, players step onto the famous Thousand Sunny ship to meet the legendary Straw Hat Crew including Luffy, Zoro, Nami, Sanji, and many more while they brave fierce battles and fire cannons to defend their ship!
By choosing rooms to explore within the ship, players will be able to make choices to guide their own experience and feel what it’s like to be a pirate!
View a new set of screenshots at the gallery.