Japanese Name 古手川 千紗 Romaji Name Kotegawa Chisa Nicknames None Series Grand Blue Age 18 (Manga), 20 (Anime) Weight Unknown Height Unknown Date of Birth Unknown Blood Type Unknown Chisa Kotegawa A diving and caring character from “Grand Blue”. Personality Chisa Kotegawa, a character from the manga and anime series “Grand Blue”, is initially portrayed […]