Hina is a Marine officer in the anime series One Piece. Known as 'Hina the Black Cage,' she possesses the Cage-Cage Fruit, which allows her to bind her opponents in iron shackles by simply touching them. She is a competent and authoritative figure within the Marines and holds the rank of Rear Admiral. Hina is a close friend of fellow Marine Smoker and often collaborates with him during missions. Her unwavering dedication to justice makes her a respected and formidable presence in the series.