---
title: "ChaO"
year: 2025
kind: "film"
canonical: "https://film.one/film/chao"
fi1m_id: "chao"
imdb_id: "tt36592916"
tmdb_id: 1419053
wikidata_id: "Q134909699"
critics_reviews: 0
updated: "2026-10-28T04:28:14.516217+00:00"
region: "KR"
licence: "© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL."
---

# ChaO (2025)

Directed by Yasuhiro Aoki · 1h 30m · KMRB ALL · Animation, Fantasy, Romance

## Identity

ChaO

- **Canonical:** https://film.one/film/chao
- **Type:** Film
- **Fi1m ID:** chao
- **IMDb ID:** tt36592916
- **TMDB ID:** 1419053
- **Wikidata ID:** Q134909699
- **Same entity:** https://www.imdb.com/title/tt36592916/, https://www.themoviedb.org/movie/1419053, https://www.wikidata.org/wiki/Q134909699

> **Out now in South Korea, review to follow.** Released 21 October 2026. Our review follows once the critics have had their say, usually within two days of release. The facts below are the distributor's and TMDB's.

## Synopsis

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.

## Details

- **Director:** Yasuhiro Aoki
- **Director:** Yasuhiro Aoki
- **Screenplay:** Saku Konohana
- **Cinematography:** Takanori Nakajima
- **Music:** Takatsugu Muramatsu
- **Producer:** Eiko Tanaka
- **Cast:** Ōji Suzuka as Stephan (voice); Anna Yamada as Chao (voice); Kavka Shishido as Maibei (voice); Yūichirō 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)
- **Runtime:** 1h 30m
- **Certificate (KMRB):** ALL
- **Release (South Korea):** 21 October 2026
- **Genres:** Animation, Fantasy, Romance
- **Production:** STUDIO4℃
- **Trailer:** https://www.youtube.com/watch?v=Cc6VyTu_SH0

## Where to watch in South Korea

Not streaming, renting or buying in South Korea at the last check.

Also available in: AT, CA, FR, GB, JP, NL, SE, US. Add `?region=XX` to this URL for another country.

## Awards

- Annecy Cristal for a Feature Film 2025: Annecy Cristal for a Feature Film (nominated)

---
© Fi1m Ltd. Written by AI under a human editor; checked against sources before publication. Quote with attribution and a link to the canonical URL. Canonical: https://film.one/film/chao