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Chiikawa the Movie: The Secret of the Mermaid Island (2026)
Directed by Kei Oikawa
“Until whenever.”
Animation, Family, Adventure, Fantasy · 1h 39m
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.
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)
Crew
- Director
- Kei Oikawa
- Screenplay
- Nagano
- Director of Photography
- Masaharu Okazaki
- Original Music Composer
- Shugo Tokumaru, Chikara Uemizutaru
- Editor
- Ayumu Takahashi
- Producer
- Taro Imafuku, Naoto Shoji, Masataka Komine
Details
- Original title
- 映画ちいかわ 人魚の島のひみつ
- Release date
- 2026-07-24
- Runtime
- 1h 39m
- Genres
- Animation, Family, Adventure, Fantasy
- Original language
- JA
- Spoken languages
- Japanese
- Countries
- Japan
- Production
- QTORY, CyPic, TOHO
- Box office
- $121,143,735