Key Points
Chiikawa earned ¥9.9 billion opening day, beating Conan's ¥9.6 billion record.
Three-day total reached ¥22 billion with 1.5 million admissions across 447 theaters.
Film adapts popular Siren Arc manga with darker tone that shocked audiences.
Tohokushinsha Film (2329.T) distributes; Meyka grades B with ¥759 12-month target.
The anime film ‘Chiikawa: The Secret of Mermaid Island’ shattered box office records on July 24, earning ¥9.9 billion on its opening day across 447 theaters in Japan. The debut exceeded Detective Conan’s previous anime record of ¥9.6 billion, positioning the film to chase a ¥100 billion total. Produced by Tohokushinsha Film Corporation, the movie adapts a popular manga arc written by creator Nagano and has drawn sellout crowds nationwide.
Record-breaking opening day crushes anime benchmarks
The film earned ¥9.9 billion on July 24, surpassing Detective Conan: 100 Million Dollar Pentagram’s ¥9.6 billion opening from 2024. TOHO Cinemas Ikebukuro showed the film 41 times in a single day, nearly matching the 42 screenings of Demon Slayer: Mugen Train at TOHO Cinemas Shinjuku in 2020. The scale rivals major franchises like Demon Slayer and Conan, with studios prioritizing the film as a summer tentpole.
Three-day haul reaches ¥22 billion with 1.5 million admissions
By July 26, the film had earned ¥22 billion across three days and attracted 1.5 million viewers. This pace suggests the film is on track to exceed ¥100 billion in total revenue. Recent anime blockbusters have opened to ¥4.2 billion to ¥16.4 billion, making Chiikawa’s ¥9.9 billion debut a standout among peers released in 2025 and 2026.
Darker tone surprises audiences in adaptation of popular manga arc
The film adapts the ‘Siren Arc,’ a fan-favorite long-form story written by Nagano specifically for the movie and fully overseen by the creator. The narrative follows cute characters on a tropical island adventure that takes a sharp turn into darker territory, catching viewers off guard. Social media reports describe audiences falling silent in shock during climactic scenes, contrasting sharply with the franchise’s typical lighthearted tone.
Tohokushinsha Film drives anime production and merchandising boom
Tohokushinsha Film Corporation (2329.T), the distributor and producer, has graded B with a 12-month forecast of ¥759.31, according to Meyka data. The company’s entertainment division spans TV production, feature films, and IP licensing. Chiikawa merchandise has ranked among Japan’s top-selling products, and the film’s success reinforces the franchise’s commercial reach across film, television, and collectibles.
Final Thoughts
Chiikawa’s ¥9.9 billion opening signals sustained demand for anime adaptations and validates the franchise’s expansion into cinema. With Meyka grading 2329.T a B and the film tracking toward ¥100 billion, the box office win underscores anime’s resilience as a revenue driver for Japanese studios.
FAQs
The film earned ¥9.9 billion on July 24, 2026, breaking the anime opening record previously held by Detective Conan at ¥9.6 billion.
The film’s plot takes a dark turn in the final act, contrasting sharply with the franchise’s cute aesthetic and leaving viewers emotionally stunned.
The film opened across 447 theaters nationwide, including 382 standard screens and 65 IMAX auditoriums.
The film adapts the ‘Siren Arc,’ a long-form manga story written by creator Nagano exclusively for the movie and fully overseen by him.
Disclaimer:
The content shared by Meyka AI PTY LTD is solely for research and informational purposes. Meyka is not a financial advisory service, and the information provided should not be considered investment or trading advice.
About Author

Huzaifa Zahoor
Co FounderHuzaifa Zahoor is the engineer who built Meyka. He has spent years writing Python, training AI models, and building data pipelines specifically for financial markets. His technical articles have reached over 30,000 readers on Medium, so he knows how to make complex things easy to follow. If this article touches on how the tools work, he is the person who actually built them.
What brings you to Meyka?
Pick what interests you most and we will get you started.
I'm here to read news
Find more articles like this one
I'm here to research stocks
Ask Meyka Analyst about any stock
I'm here to track my Portfolio
Get daily updates and alerts (coming March 2026)