STUDIO4°C has unveiled four new character trailers for its upcoming original anime film ChaO, introducing Shi, Juno & the Editor-in-Chief, King Neptunus, and Ambassador Omede. The film is slated for release in Japanese theaters on August 15, 2025.
Character Trailers:
Ryota Yamazato as Shi
Shunsei Ota & Anna Tsuchiya as Juno & Editor-in-Chief
Kenta Miyake as King Neptunus
Cookie! as Ambassador Omede
Teaser Visual:

STAFF:
Director: Yasuhiro Aoki
Character Designer/ Animation Director: Hirokazu Kojima
Background Art Director: Hiroshi Takiguchi
Production: STUDIO4°C
Annecy Festival describes the film as follows:
In a near-future world where humans and mermen coexist, Stephen, a shipping engineer in Shanghai, develops a propeller called Air Jet that is harmless for marine life to promote peace between the two races. When Chao, a mermaid princess, pushes Stephen to marry her, their two worlds collide. As they struggle with their cultural differences, a tragic accident creates a bigger strain on their relationship.
Source: Anime! Anime!
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