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.
Genre: Animation, Drama, Mystery, Fantasy, Family
Cast: Mutsumi Tamura, Asami Seto, Ayumu Murase, Daiki Yamashita, Yumiko Kobayashi, Inori Minase, Kana Hanazawa, Bin Shimada, Rikako Aikawa, Nana Mizuki, Aya Endo, Masaaki Ihara, Junji Tachibana
Crew: Shizuo Kurahashi (Foley Artist), Hiroyasu Ishida (Screenplay), Hiroyasu Ishida (Director), Hiroyasu Ishida (Storyboard Artist), Yuki Nomura (Background Designer)
Runtime: 120 minutes