Join Monkey D. Luffy and his swashbuckling crew in their search for the ultimate treasure, One Piece!Luffy and the princess of Fish-Man Island escape the castle and head to the mysterious Forest of the Sea. Meanwhile, the kingdom is under attack by dark forces. What is the source of the hatred between humans and the merfolk?!Luffy and the princess of Fish-Man Island escape the castle and head to the mysterious Forest of the Sea. Meanwhile, the kingdom is under attack by dark forces. What is the source of the hatred between humans and the merfolk?!