He's on the hook.
82% Match2025NR1h 30m
AnimationFantasyRomance
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.
Cast: Ouji Suzuka, Anna Yamada, Kavka Shishido, Yuuichirou Umehara, Kenta Miyake, Shunsei Ōta
Cast
About ChaO
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.
Popularity
3.2
Release
Aug 15, 2025
Genres
Animation, Fantasy, Romance
Gallery
More Like This
Reviews (1)
Where to Watch
Rent
Amazon Video
Apple TV Store
Google Play Movies
YouTube
Fandango At HomeBuy
Amazon VideoApple TV StoreGoogle Play MoviesYouTubeFandango At HomeProduction
Studios
Countries
Japan
Languages
Japanese
Keywords
princessmarriage proposalmermaidfuturistic societyanimeinterspecies romancelove storycoexistenceurban fantasy