Luffy Senpai Ouen Kikaku! Barto no Himitsu no Heya ... - IMDb

The specials serve as comprehensive reviews of major battles and milestones during the Land of Wano arc, typically airing during production breaks.

"One Piece: Luffy Senpai Ouen Kikaku! Barto no Himitsu Heya" (Luffy-senpai Support Project! Barto's Secret Room) is a series of in the One Piece anime. These specials feature Bartolomeo —Luffy's biggest fan—revisiting key moments of the Wano Country Arc with various guests. Series Overview