ChaO is an Upcoming Human x Mermaid Anime Romance Film Set to Premiere in Summer 2025

ChaO is an Upcoming Human x Mermaid Anime Romance Film Set to Premiere in Summer 2025 featured image

Image source: @STUDIO4C

STUDIO4℃‘s X (formerly Twitter) account has announced ChaO, a new anime feature where an ordinary office worker finds himself having to marry a mermaid princess. 

“A future society where humans and mermaids coexist. Stephen, an office worker, is suddenly asked to marry by Chao, a princess of the mermaid kingdom! A 100% pure love story!” reads the synopsis for the film, which will premiere in Japan in summer 2025. 

Don’t expect the typical human-upper-half depiction for the mermaids, however. An official image released by the STUDIO4℃ account shows that ChaO‘s mermaids (or at least Chao herself) will be very fishy.

Image source: @STUDIO4C

Yasuhiro Aoki (Psycho-Pass: The Movie co-character designer, SAMURAI NOODLES “THE ORIGINATOR” unit director et al.) is directing ChaO, which has character designs and animation direction from Hirokazu Kojima (Shoka, More Than a Married Couple, But Not Lovers ending design and animation). Hiroshi Takiguchi (Weathering With You) is the background art director.

TOEI is distributing the film in Japan.

For more conventional-looking mermaids, turn your eyes to Goodbye, Lara, an upcoming Kinema Citrus-produced title directed by Takushi Koide (assistant director, revue costume designer, weapon designer et al. for Revue Starlight and its movie sequel), which was announced last year. 


Source: @STUDIO4C

Melvyn Tan avatar
Melvyn is one of Anime Trending's main news writers. While he mostly writes about anime, he can also be found writing about video games, VTubers, manga, and light novels. Occasionally, he'll put out a review or listicle too. Lately, he enjoys discovering standout anime episodes, OP/ED animation sequences, and animated music videos. Some of his free time is spent self-learning Japanese.
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