Chiikawa the Movie: The Secret of the Mermaid Island poster

Chiikawa the Movie: The Secret of the Mermaid Island(2026)

Name: Chiikawa the Movie: The Secret of the Mermaid Island
Director: Kei Oikawa
Genre: Animation, Family
Released: 2026-01-01
Cast: Haruka Aoki, Makoto Tanaka, Ari Ozawa

Haruka AokiMakoto TanakaAri Ozawa

Feature-length Story based on the "Siren Arc" from Nagano's popular Manga.