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.

ChaO (2025) - Cast, Trailer, Rating and Details

Name: ChaO
Director: Yasuhiro Aoki
Genre: Animation, Fantasy, Romance
Released: 2025-08-15
Rating: 8.2
Cast: Ouji Suzuka, Anna Yamada, Kavka Shishido, Yuuichirou Umehara, Kenta Miyake

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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 ...

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Cast: Ouji Suzuka, Anna Yamada, Kavka Shishido, Yuuichirou Umehara, Kenta Miyake

Director: Yasuhiro Aoki

Country: Japan

Duration: 90 min

Quality: HD

Release: 2025

IMDb: ⭐ 8.2

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What is ChaO about?

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 me...