One Piece: Strong World

One Piece: Strong World is a special prologue chapter to the 10th One Piece movie, Strong World. This one-shot depicts events 20 years before the current timeline of the manga. The main focus is the relationship between Shiki, the Golden Lion and Roger, the Pirate King. In addition, it shows what other characters were doing 20 years ago. [Written by MAL Rewrite]

One Piece: Strong World was published in English by Viz Media as a booklet included in the One Piece Box Set 2: Skypiea to Water Seven on November 4, 2014.