Wikimedia Commons/ChaO anime movie Movie Dive into ChaO, a vibrant anime world where humans and mermen clash. Explore a chaotic, magical realm of underwater currents and uneasy truce. April 11, 2026 AceShowbiz - ChaO is an anime film that immerses viewers in a vibrant and unusual world where humans coexist uneasily with mermen. Directed by Yasuhiro Aoki, the movie plunges the audience into a bizarre yet captivating setting where aquatic beings and humans share the same environment, traveling by bus or by navigating high-speed underwater currents if they can hold their breath.