ChaO (チャオ) a 2025 Japanese animated romantic comedy fantasy film. Produced by Studio 4°C and distributed by Toei Company, the film is directed by Yasuhiro Aoki with music composed by Takatsugu Muramatsu. The film debuted in Japanese theaters in August 2025.
Premise
A mermaid princess becomes engaged to a human engineer.
Voice cast
Production
The film is produced by Studio 4°C and directed by Yasuhiro Aoki, with Shōgo Furuya as unit director. Hirokazu Kojima designed the characters and served as chief animation director, and Takatsugu Muramatsu composed the music. Ōji Suzuka and Anna Yamada were cast in the lead roles.[2] The film's theme song is "ChaO!" performed by