Not Yet Released
Episodes
1 episodes
Duration
N/A
Released
Jul 24 2026
Format
Movie
Score
N/A
Popularity
#1.3K
Studio
Cypic
Country
JP
Synopsis
Based on a series of Chiikawa comics posted on X by Nagano from March to November 2023, known as the "Siren Arc". One day, while Chiikawa and Hachiware were relaxing in the square, Usagi suddenly appeared with a flyer stuck to its face. When Hachiware checked the flyer, it was …
Characters & Cast
Official Trailer
Where to Watch
Legal streaming platforms only. Links with ✓ are exact matches; others search for "Chiikawa: Ningyo no Shima no Himitsu".
Studio
Producer
Toho
Animation Studio
Cypic