ChaO

Aug 15, 2025

1h 30m

★ 8.0

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.

Genres

Animation

Fantasy

Romance

Production Companies

STUDIO4℃

ChaO Trailers

No Trailers found.

Cast

Stephan (voice)

Ouji Suzuka

Chao (voice)

Anna Yamada

Maibei (voice)

Kavka Shishido

Roberta (voice)

Yuuichirou Umehara

King Neptunus (voice)

Kenta Miyake

Juno (voice)

Shunsei Ōta

Editor-in-Chief (voice)

Anna Tsuchiya

Ambassador Omede / Photographer / Shop Owner (voice)

Kunihiro Kawashima

President Shi (voice)

Ryota Yamasato

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8.3

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8.5

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7.9

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7.7

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7.2

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7.8

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6.2

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6.8

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6.6

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7.1

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7.7

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8.2

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6.6

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6.5

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7.0

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7.0

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6.5

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7.8

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