Netflix's release of Eiichiro Oda's Monsters anime seemingly confirms that Ryuma de King and One Piece's Ryuma Shimotsuki are one and the same character.
Source:https://www.cbr.com/one-piece-monsters-netflix-retcon-ryuma-same-character/Netflix's release of Eiichiro Oda's Monsters anime seemingly confirms that Ryuma de King and One Piece's Ryuma Shimotsuki are one and the same character.
Source:https://www.cbr.com/one-piece-monsters-netflix-retcon-ryuma-same-character/