The One Piece manga centers on Monkey D. Luffy, an aspiring pirate who, like many other pirates, dream of claiming the legendary “One Piece” treasure left behind by a legendary pirate.
The manga set a world record in June 2015 for having 320,866,000 copies printed worldwide as of December 2014.
The world record is for “The most copies published for the same comic book series by a single author.”