Set sail on this grand One Piece adventure. A unique One Piece adventure to be enjoyed in co-op, with characters designed by Eiichiro Oda and a game-exclusive scenario. The Straw Hat Pirates encounter and befriend a cheerful yet mysterious raccoon named Pato who possesses a shadowy power to create anything drawn onto a leaf. In order to help their new friend, the Straw Hat Pirates agree to assist Pato on an ambiguous mission “to meet someone” Pato then leads the crew to the Forgotten Island where all the Straw Hat Pirates except Luffy are successively kidnapped by a wicked pirate named The Red Count, who had escaped the lower depths of Impel Down two years ago. With Pato’s help, Luffy must fight to recover his crew from the enemy’s grasp and find out exactly what The Red Count’s evil plots are…