The series takes place in a fictional universe where vast numbers of pirates, soldiers, revolutionaries, and other adventurers fight each other, using various superhuman and supernatural abilities.
Serial One Piece mengabil latar di sebuah semesta fiksional dimana sejumlah bajak laut, tentara, revolusioner, dan petualang lainnya bertarung satu sama lain, menggunakan beragam kemampuan supernatural dan superhuman.