Sixth-graders Kosuke and Natsume grew up in the same apartment building as childhood friends. During summer break, while playing in the apartment building that is set to be demolished, they find themselves caught in a strange phenomenon. All they can see around them is a vast sea. Will Kosuke and the others make it back to their world? A journey of farewells in summer has just begun.

Credits: TheMovieDb.

Film Cast:

• Kosuke Kumagai (voice): Mutsumi Tamura
• Natsume Tonai (voice): Asami Seto
• Noppo (voice): Ayumu Murase
• Yuzuru Tachibana (voice): Daiki Yamashita
• Taishi Koiwai (voice): Yumiko Kobayashi
• Reina Hama (voice): Inori Minase
• Juri Ando (voice): Kana Hanazawa

Film Crew:

• Director: Hiroyasu Ishida
• Art Direction: Kunihiko Inaba
• Screenplay: Hayashi Mori
• Producer: Koji Yamamoto
• Animation Director: Mayuko Kato
• Sound Director: Eriko Kimura
• Original Music Composer: Umitaro Abe
• Second Unit Director: Taku Kimura
• Color Designer: Izumi Hirose
• Animation Director: Koichi Usami
• Animation Director: Yukie Nishimura
• Animation Director: Ryosuke Mizuno
• Animation Director: Sunao Chikaoka
• Animation Director: Miki Ogino
• Director of Photography: Kei Machida
• Second Unit Director: Kei Masaki
• Character Designer: Akihiro Nagae
• Character Designer: Fumi Kato
• Animation Director: Takaomi Shinoda
• Animation Director: Huang Chieh
• Second Unit Director: Masato Takeuchi
• Second Unit Director: Yo Watanabe
• Animation Director: Akiko Watanabe
• Animation Director: Tatsuya Sakurai
• Second Unit Director: Atsuto Masuda
• CGI Director: Mayu Takehana
• Editor: Ryota Kinami
• Animation Director: Kotono Hirai
• Animation Director: Kanako Sakaguchi
• Animation Director: Dan Saito
• Theme Song Performance: ACA-Ne

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