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... The fourth One Piece Box Set contains volumes 71–90, which make up the Dressrosa, Zou, Whole Cake Island, and Reverie arcs.