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.
Genre: Animation, Fantasy, Romance
Stars: Ouji Suzuka, Anna Yamada, Kavka Shishido, Yuuichirou Umehara, Kenta Miyake, Shunsei Ōta
Crew: Yasuhiro Aoki (Director), Hirokazu Kojima (Character Designer), Hiroshi Takiguchi (Art Direction), Hirokazu Kojima (Supervising Animation Director), Takatsugu Muramatsu (Original Music Composer), Eiko Tanaka (Producer)
Country: Japan
Language: 日本語
Studio: STUDIO4℃
Runtime: 1:47:31 minutes
Quality: HD
Released: Aug 15, 2025
IMDb: 10
Keywords:princess, mermaid, futuristic society, anime, interspecies romance, love story, coexistence, urban fantasy
