★ 7.2 Movie
Lu Over the Wall
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… Read more
Storyline
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. (Source: GKIDS)
Trailer
Characters & Japanese Voice Cast
Chao
Main
VA: Anna Yamada
Stephan
Main
VA: Ouji Suzuka
Robelt
Supporting
VA: Yuuichirou Umehara
Sea Shachou
Supporting
VA: Ryouta Yamasato
Mybae
Supporting
VA: Kavka Shishido
Neptune Kokuou
Supporting
VA: Kenta Miyake
Juneau
Supporting
VA: Shunsei Ota
Henshuu-chou
Supporting
VA: Anna Tsuchiya
Omede Taishi
Supporting
VA: Kukkii!Similar Anime
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Frequently Asked Questions
How many episodes does ChaO have?
ChaO has 1 episodes.
Which studio made ChaO?
ChaO is produced by Studio 4°C.
Facts from AniList (also listed on MyAnimeList); streaming availability from JustWatch India. Last updated 17 October 2026, 7:35 PM IST. Episode times are Japan broadcast times shown in IST. Spotted a mistake? Write to [email protected].