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Chiikawa: The Secret of Mermaid Island breaks box office records in Japan
The animated film ‘Chiikawa: The Secret of Mermaid Island’ has achieved significant box office success in Japan. Within 59 days of its July 24 release, the film earned 15.84 billion yen and attracted 10.857 million viewers.
According to Kogyo Tsushin, this performance makes it the number one film in the 2026 box office rankings. The film's revenue has surpassed the previous record held by ‘Detective Conan: The Million-dollar Pentagram’, which earned 15.8 billion yen.
The movie, based on the popular manga by Nagano, covers the ‘Siren Arc’ and has seen high engagement through various formats, including 4DX and themed screenings. The film's opening day recorded 990 million yen in revenue.
Entities
CHIIKAWA · Fuji TV · Nagano · Toho · Tokyo Metro
Claims
What the coverage asserts, and how many sources carry each claim.
- [○ 1 SOURCE] The film's opening day revenue was 990 million yen. www.the-miyanichi.co.jp
- [○ 1 SOURCE] The film's revenue exceeded the previous record set by ‘Detective Conan: The Million-dollar Pentagram’. www.the-miyanichi.co.jp
- [● 2 SOURCES] The film has attracted 10.857 million viewers within 59 days of its release. www.the-miyanichi.co.jp · news.mynavi.jp
- [● 2 SOURCES] The film ‘Chiikawa: The Secret of Mermaid Island’ has reached 15.84 billion yen in box office revenue. www.the-miyanichi.co.jp · news.mynavi.jp
- [● 2 SOURCES] The film is ranked number one in the box office rankings for movies released in 2026. www.the-miyanichi.co.jp · news.mynavi.jp