ChaO
Directed by Yasuhiro Aoki
In a futuristic world where humans and mermaids coexist, the life of mild-mannered office worker Stephan is upended when he is suddenly proposed to by Chao — a princess from the mermaid kingdom. With no time to make sense of what's happening, Stephan soon finds himself living with the unpredictable, wholehearted Chao, and her sincere love begins to break down his emotional barriers.
Cast
Crew
Decade ranking
Explore where ChaO fits among the best movies of the 2020s.
Open best movies of the 2020s
Studio ranking
See where ChaO lands among the top-ranked movies associated with STUDIO4℃.
Open best studio4℃ movies
Language ranking
See how ChaO compares with other top-ranked Japanese animation movies from 2025.
Open best japanese animation movies of 2025
More like this
Explore public related-title picks for viewers looking for movies like ChaO.
Open movies like ChaO
Where to watch
Open the answer-first viewing guide for ChaO, including current streaming, rental, and purchase options.
Open where to watch ChaO
