Wikimedia Commons/One Piece Chopper manga Celebrity One Piece Chopper spin-off delayed. Discover why the manga's high demand pushed its release date from March to April 2026. March 14, 2026 AceShowbiz - Fans of One Piece recently received surprising news about the latest manga installment tied to the beloved franchise. The debut volume of the new spin-off, One Piece Chopper, was quietly postponed just weeks before its initially planned release date.