Eiichiro Oda, the author of One Piece, had plans for another manga after One Piece. Here's where this plan is at right now.

But, Luffy's journey is not complete yet, and it appears that Oda intends to draw many more adventures with the Straw Hat ...

Oda may be used to drawing the Straw Hats with his hands ... and it’s surprisingly easy to tell the characters apart. Luffy is easy to spot at the top thanks to his hat. In the lefthand row ...