ChaO
Movie Finished 2025
In a futuristic world where humans and mermaids coexist, ChaO follows Stephan, a mild-mannered office worker at a shipbuilding company, whose life 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. As her sincere love begins to break down his emotional barriers, an unexpected and touching romance begins to unfold.
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In a futuristic world where humans and mermaids coexist, ChaO follows Stephan, a mild-mannered office worker at a shipbuilding company, whose life 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. As her sincere love begins to break down his emotional barriers, an unexpected and touching romance begins to unfold.
Studio 4°C90
Characters & voices
Meet the characters and their Japanese voice actors.
ChaoMain character
Anna YamadaJapanese voice
StephanMain character
Ouji SuzukaJapanese voice
RobeltSupporting character
Yuuichirou UmeharaJapanese voice
Sea ShachouSupporting character
Ryouta YamasatoJapanese voice
MybaeSupporting character
Kavka ShishidoJapanese voice
Neptune KokuouSupporting character
Kenta MiyakeJapanese voice
JuneauSupporting character
Shunsei OtaJapanese voice
Henshuu-chouSupporting character
Anna TsuchiyaJapanese voice
Omede TaishiSupporting character
Kukkii!Japanese voice
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