Seen everything by Takashi Otsuka?
If you've already watched everything Takashi Otsuka directed, here are 12 films from other directors that share the orbit of One Piece: Stampede — the catalog's mood-cluster and similarity-graph neighbours, filtered to exclude Takashi Otsuka's own filmography. Where to go next. (Also: Takashi Otsuka's full filmography · where to start with Takashi Otsuka.)
One Piece: Adventure of Nebulandia
One Piece: Heart of Gold
One Piece Film: Strong World
One Piece "3D2Y": Overcome Ace's Death! Luffy's Vow to his Friends
One Piece Episode of Merry: The Tale of One More Friend
One Piece Episode of Nami: Tears of a Navigator and the Bonds of Friends
One Piece Film Red
One Piece Film: GOLD
One Piece: Episode of Skypiea
One Piece: Giant Mecha Soldier of Karakuri Castle