Where to Watch
Region
Apple TV Store
Rent from
HD
$5.99
Apple TV Store
Buy from
HD
$14.99
Amazon Video
Rent from
HD
$5.99
Amazon Video
Buy from
HD
$14.99
Google Play Movies
Rent from
$5.99
See all 8 options →
Prices last updated September 2, 2026. Pricing and availability may vary by region.
powered by JustWatch
About
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.
Theatrical
Apr 10, 2026
Digital
Jun 23, 2026
DVD / Blu-ray
Sep 22, 2026
Theaters
1
Director
Writer
Producer
Music
Studio
STUDIO4℃
Original Language
Japanese
Cast
Full credits →O
Ouji Suzuka
Stephan (voice)
A
Anna Yamada
Chao (voice)
K
Kavka Shishido
Maibei (voice)
Y
Yuuichirou Umehara
Roberta (voice)
K
Kenta Miyake
King Neptunus (voice)
S
Shunsei Ōta
Juno (voice)
A
Anna Tsuchiya
Editor-in-Chief (voice)
K
Kunihiro Kawashima
Ambassador Omede / Photographer / Shop Owner (voice)
R
Ryota Yamasato
President Shi (voice)
