Join Monkey D. Luffy and his swashbuckling crew in their search for the ultimate treasure, One Piece!As a child, Monkey D. Luffy dreamed of becoming King of the Pirates. But his life changed when he accidentally gained the power to stretch like rubber...at the cost of never being able to swim again! Years later, Luffy sets off in search of the One Piece, said to be the greatest treasure in the world...As Luffy and Loki get to know each other better, the Holy Knights of the World Government launch an attack on Elbaph. Their first move is to use a mysterious power on the children of the giants. Can Luffy and his crew fight back against this seemingly invincible enemy?