Film

ChaO

2025 · 1h 30m · Animation · Fantasy · Romance

He's on the hook.

Rotten Tomatoes

85%

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.

Ouji Suzuka

Stephan (voice)

Anna Yamada

Chao (voice)

Kavka Shishido

Maibei (voice)

Yuuichirou Umehara

Roberta (voice)

Kenta Miyake

King Neptunus (voice)

Shunsei Ōta

Juno (voice)

Anna Tsuchiya

Editor-in-Chief (voice)

Kunihiro Kawashima

Ambassador Omede / Photographer / Shop Owner (voice)

Ryota Yamasato

President Shi (voice)

• Yasuhiro AokiDirector
• Saku KonohanaScreenplay
• Eiko TanakaProducer
• Takanori NakajimaDirector of Photography
• Takatsugu MuramatsuOriginal Music Composer

Official Trailer [Subtitled]

Release date

August 15, 2025

Status

Released

Original language

Japanese

Runtime

1h 30m

Rated

NR

Genres

Animation, Fantasy, Romance

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