One Piece (Japanese
: ワンピース, Hepburn
: Wan Pīsu?
) is a Japanese manga
series written and illustrated by Eiichiro Oda
. It has been serialized in Shueisha
's Weekly Shōnen Jump
magazine since July 19, 1997, with the chapters collected into seventy-seven tankōbon
volumes to date. One Piece follows the adventures of Monkey D. Luffy
, a young man whose body gains the properties（財産） of rubber（ゴム） after unintentionally（故意でなく） eating a Devil Fruit. With his diverse（多様） crew（乗務員） of pirates, named the Straw Hat Pirates
, Luffy explores the ocean in search of the world's ultimate treasure known as "One Piece" in order to become the next Pirate King.