Chiikawa the Movie: The Secret of the Mermaid Island (2026)
Original title: 映画ちいかわ 人魚の島のひみつ
Chiikawa the Movie: The Secret of the Mermaid Island is a 2026 Japanese-language animation movie directed by Kei Oikawa, with a running time of 1h 39m. It stars Haruka Aoki, Makoto Tanaka and Ari Ozawa.
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.
Official site
Cast
- Haruka Aoki as Chiikawa (voice)
- Makoto Tanaka as Hachiware (voice)
- Ari Ozawa as Usagi (voice)
- Yuka Iguchi as Momonga (voice)
- Takayuki Asai as Kurimanju (voice)
- Yuma Uchida as Rakko (voice)
- Miyuri Shimabukuro as Shisa (voice)
- Momo Harumi as Furuhonya (voice)
- Tsuguo Mogami as Shimajiro (voice)
- Minori Suzuki as Siren (voice)
- Momoka Terasawa as Hitoha (voice)
- Sayumi Suzushiro as Futaba (voice)