One Pace — Whole Cake Island 31

One Pace Whole Cake Island episode 31 ("Merienda") covers manga chapters 883–884.

Merienda

One Pace

Whole Cake Island 31Merienda

Manga chapters

Chapter 883
Chapter 884

Source anime episodes

Episode 855
Episode 856
Episode 857
Episode 858

What One Pace is

One Pace is a fan project that re-edits the Toei anime to match the manga's pacing. It cuts filler, recaps, and stretched scenes, so a single One Pace episode usually covers the same ground as several broadcast episodes — here, chapters 883–884 re-cut from anime episodes 855–858.