One Piece - Season 12 Episode 421 The Friends' Whereabouts! A Princess Negativity and the King of Demons!
Zoro is held against his will by the pink-haired princess of bad vibes, Brook gets mistaken for the king of darkness, and Luffy continues to eat his way toward a reunion with Fire-Fist Ace!
- Genre: Action & Adventure, Comedy, Animation
- Studio: Fuji TV
- Keyword: ocean, sea, boat, treasure, fight, liberation, ship, friendship, friends, pirate, based on manga, straw hat, shounen, anime, fantasy, one piece, adventure, celebratory
- Cast: Mayumi Tanaka, Kazuya Nakai, Akemi Okamura, Kappei Yamaguchi, Hiroaki Hirata, Ikue Otani