Chiikawa the Movie: The Secret of the Mermaid Island
2026 · 99 min · Animation, Family, Adventure, Fantasy
Until whenever.
Chiikawa and friends set off on a whimsical summer adventure to a mysterious island said to hide a long-lost mermaid secret. What starts as a fun getaway quickly turns into a heartwarming journey filled with surprises, gentle thrills, and adorable chaos. With sparkling seas, strange legends, and unforgettable encounters, the trio learns about courage, friendship, and the magic hidden in small moments.
- Director
- Kei Oikawa
- Writer
- Nagano
- Released
- July 24, 2026
- Language
- Japanese
Cast
Haruka Aoki
Chiikawa (voice)
Makoto Tanaka
Hachiware (voice)
Ari Ozawa
Usagi (voice)
Yuka Iguchi
Momonga (voice)
Takayuki Asai
Kurimanju (voice)
Yuma Uchida
Rakko (voice)
Miyuri Shimabukuro
Shisa (voice)
Momo Harumi
Furuhonya (voice)
Tsuguo Mogami
Shimajiro (voice)
Minori Suzuki
Siren (voice)
Momoka Terasawa
Hitoha (voice)
Sayumi Suzushiro
Futaba (voice)
Where to watch in the US
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Streaming data from JustWatch, via TMDB.