ChaO
Aug 15, 2025 · 1h 30m
Director
Yasuhiro AokiOverview
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.
Where to Watch
Cast of ChaO
Ouji SuzukaStephan (voice)
Anna YamadaChao (voice)
Kavka ShishidoMaibei (voice)
Yuuichirou UmeharaRoberta (voice)
Kenta MiyakeKing Neptunus (voice)
Shunsei ŌtaJuno (voice)
Anna TsuchiyaEditor-in-Chief (voice)
Kunihiro KawashimaAmbassador Omede / Photographer / Shop Owner (voice)
Ryota YamasatoPresident Shi (voice)
Crew of ChaO
Yasuhiro AokiDirector, Storyboard Artist
Saku KonohanaScreenplay
Eiko TanakaProducer- Takatsugu MuramatsuOriginal Music Composer
- Takanori NakajimaDirector of Photography
- Hirokazu KojimaCharacter Designer, Supervising Animation Director, Key Animation
- Hiroshi TakiguchiArt Direction
- Koji KasamatsuSound Director
Kumi KodaTheme Song Performance
Shougo FuruyaStoryboard Artist, Animation Director, Key Animation- Yuuko SeraAnimation Director, Key Animation
- Kanchi SuzukiAnimation Director, Key Animation
- Masahito OnodaAnimation Director, Key Animation
- Hidetsugu ItoAnimation Director, Key Animation
Ken ArtoKey Animation- Yuko MatsuiKey Animation
- Yasuyuki ShimizuKey Animation
- Eri TaguchiKey Animation
- Saori KoikeKey Animation
- Keiichi KondoKey Animation
About ChaO
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 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.
When was ChaO released?
ChaO was released on August 15, 2025.
Where can I watch ChaO?
ChaO is available to rent or buy on Amazon Video, Apple TV Store, Google Play Movies and YouTube in the US. Availability data from JustWatch.
How long is ChaO?
ChaO runs 1 hour 30 minutes (90 minutes).
Who directed ChaO?
ChaO was directed by Yasuhiro Aoki.
Who is in the cast of ChaO?
The cast of ChaO includes Ouji Suzuka (Stephan (voice)), Anna Yamada (Chao (voice)), Kavka Shishido (Maibei (voice)), Yuuichirou Umehara (Roberta (voice)) and Kenta Miyake (King Neptunus (voice)).
Is ChaO on Netflix?
No, ChaO is not on Netflix in the US. It is available to rent or buy on Amazon Video, Apple TV Store and Google Play Movies.