ChaO
2025 · Movie · 177 min · ★ 8.2
Stephan has big ideas to save the sea. But his life explodes into ecstatic chaos when mermaid princess Chao proposes marriage out of the blue. Between shopping sprees, giant robots, and actual fireworks, the unlikely pair unlock their true feelings.
Where to watch
Streaming on HBO Max.
3 hours to watch.
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Details
- Years
- 2025
- Release date
- 2025-08-15
- Language
- Japanese
- Runtime
- 177 min
- TMDB rating
- 8.2/10 (5 votes)
Themes
- princess
- marriage proposal
- mermaid
- futuristic society
- anime
- interspecies romance
- love story
- coexistence
- urban fantasy
Awards & recognition
- Annecy Cristal — a Feature Film · 2025 · nominated
Cast & crew
Ouji Suzuka
as Stephan (voice)
Anna Yamada
as Chao (voice)
Kavka Shishido
as Maibei (voice)
Yuuichirou Umehara
as Roberta (voice)
Kenta Miyake
as King Neptunus (voice)
Shunsei Ōta
as Juno (voice)
Anna Tsuchiya
as Editor-in-Chief (voice)
Kunihiro Kawashima
as Ambassador Omede / Photographer / Shop Owner (voice)
Ryota Yamasato
as President Shi (voice)
Directed by Yasuhiro Aoki