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 writers, covering a variety of anime and anime-adjacent topics. Occasionally, he'll take a break from news to put out a review or feature. He enjoys discovering standout anime episodes, OP/ED animation sequences, and animated music videos. Currently self-learning Japanese.
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