Plot.
Poster of Chiikawa the Movie: The Secret of the Mermaid Island

Chiikawa the Movie: The Secret of the Mermaid Island

2026 · Film · 99 min

  • Animation
  • Family
  • Adventure
  • Fantasy

Plot

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.

About Chiikawa the Movie: The Secret of the Mermaid Island

Chiikawa the Movie: The Secret of the Mermaid Island is a 2026 Japanese animated dark fantasy comedy film directed by Kei Oikawa, based on the manga series Chiikawa by Nagano. Produced by Cypic and distributed by Toho, it is the first film in the Chiikawa merchandise line. It was released in Japanese theatres on 24 July 2026.

From Wikipedia, CC BY-SA 4.0.

Cast

  • Haruka AokiChiikawa (voice)
  • Makoto TanakaHachiware (voice)
  • Ari OzawaUsagi (voice)
  • Yuka IguchiMomonga (voice)
  • Takayuki AsaiKurimanju (voice)
  • Yuma UchidaRakko (voice)
  • Miyuri ShimabukuroShisa (voice)
  • Momo HarumiFuruhonya (voice)
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