Watch ChaO (2025) Free Online

He's on the hook.

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 is a 2025 animation, fantasy and romance movie directed by Yasuhiro Aoki starring Ouji Suzuka, Anna Yamada and Kavka Shishido. It runs 90 minutes. Viewers rate it 8.1/10 on TMDB based on 16 votes.

  • Released: 2025-08-15
  • Runtime: 90 min
  • Genres: Animation, Fantasy, Romance
  • TMDB rating: 8.1/10

ChaO cast

Ouji Suzuka, Anna Yamada, Kavka Shishido, Yuuichirou Umehara, Kenta Miyake, Shunsei Ōta, Anna Tsuchiya, Kunihiro Kawashima, Ryota Yamasato

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