ChaO

ChaO

2025
1h 30m
8.0

8.0/10

4 votes • View on IMDb
Animation Fantasy Romance

"He's on the hook."

Overview

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.

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Status: Released

Language: JA

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Production Information

Production Companies
STUDIO4℃
Production Countries
Japan
Spoken Languages
Japanese

Keywords

princess marriage proposal mermaid futuristic society anime interspecies romance love story coexistence urban fantasy

Quick Facts

Release Date August 15, 2025
Status Released
Language JA
IMDb ID tt36592916
Website Visit Site

Cast

Ouji Suzuka
Ouji Suzuka

Stephan (voice)

Anna Yamada
Anna Yamada

Chao (voice)

Kavka Shishido
Kavka Shishido

Maibei (voice)

Yuuichirou Umehara
Yuuichirou Umehara

Roberta (voice)

Kenta Miyake
Kenta Miyake

King Neptunus (voice)

Shunsei Ōta
Shunsei Ōta

Juno (voice)

Anna Tsuchiya
Anna Tsuchiya

Editor-in-Chief (voice)

Kunihiro Kawashima
Kunihiro Kawashima

Ambassador Omede / Photographer / Shop Owner (voice)

Ryota Yamasato
Ryota Yamasato

President Shi (voice)

Key Crew

Yasuhiro Aoki
Director
Eiko Tanaka
Producer
Saku Konohana
Screenplay