In a coastal town attracting artists, 14-year-old Sosuke and his friends stay busy painting and helping with school projects. As carefree children interact with secret-laden adults, the sunlit ocean reflects their contrasting struggles—kids embracing challenges while adults seek elusive answers.
Watch the official Seaside Serendipity 2025 trailer in HD below.
Konosuke Harada as Sosuke Minami
Kumiko Aso as Sumiko Minami
Kengo Kora as Takaoka
Erika Karata as Yoko
Koharu Sugawara as Meg
Ayame Goriki as Risako
Tohma Nakasu as Ryoichi Tachibana
Yamazaki Nanami as Honoka Hirai
Chise Niitsu as Kana Nashimoto
Nobuhiro Suwa as Mr. A
Jun Murakami as Ken
Kankuro Kudo as Goro
Maki Sakai as Shizuka
Satoko Yokohama Director
Satoko Yokohama Writer
Keiko Okawa Editor
Mei Hanawa Visual Effects Producer
Masayoshi Jônai Producer
Kenta Gokan Gaffer
Tetsuya Okabe Assistant Director
Shusaku Tsukamoto Production Design
Germany 17 February 2025
Hong Kong 05 September 2025
Japan 29 August 2025
Taiwan 29 June 2025
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Have you watched Seaside Serendipity yet? What did you think about it?
Artwork, screen shots, trailers and other imagery is © 2025 GENCO, Tokyo Theatres Company, Asako Nakano, Masayoshi Jonai.