120 minutos
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.
Mutsumi Tamura
Kosuke Kumagai (voice)
Asami Seto
Natsume Tonai (voice)
Ayumu Murase
Noppo (voice)
Daiki Yamashita
Yuzuru Tachibana (voice)
Yumiko Kobayashi
Taishi Koiwai (voice)
Inori Minase
Reina Hama (voice)
Kana Hanazawa
Juri Ando (voice)
Bin Shimada
Yasuji Kumagai (voice)
Rikako Aikawa
Yasuko Kumagai (voice)
Nana Mizuki
Satoko Tonai (voice)
Aya Endo
Ferris Wheel Girl (voice)
Masaaki Ihara
Yuta Kumagai (voice)
Junji Tachibana
Construction Worker A (voice)
Ryunosuke Watanuki
Construction Worker B (voice)
Anri Tachibana
Homeroom Teacher (voice)
Ayano Shibuya
Chieri (voice)
Minami Iinuma
Moe (voice)
Yuki Tanaka
Aoi (voice)
Yuki Kazu
Schoolboy (voice)
Haruna Mikawa
Schoolgirl (voice)
Yu Hatori
Teacher (voice)