"One fateful summer, a group of elementary school kids set adrift on an abandoned apartment building must look within themselves to find a way back home."
Mutsumi Tamura
as Kosuke Kumagaya (voice)
Asami Seto
as Natsume Tonai (voice)
Ayumu Murase
as Noppo (voice)
Daiki Yamashita
as Yuzuru Tachibana (voice)
Yumiko Kobayashi
as Taishi Koiwai (voice)
Inori Minase
as Reina Haba (voice)
Kana Hanazawa
as Juri Ando (voice)
Bin Shimada
as Yasuji Kumagaya (voice)
Rikako Aikawa
as Yasuko Kumagaya (voice)
Nana Mizuki
as Satoko Tonai (voice)
Aya Endo
as Ferris Wheel Girl (voice)
Masaaki Ihara
as Yuta Kumagaya (voice)
Junji Tachibana
as Construction Worker A (voice)
Ryunosuke Watanuki
as Construction Worker B (voice)
Anri Tachibana
as Homeroom Teacher (voice)
Ayano Shibuya
as Chieri (voice)
Minami Iinuma
as Moe (voice)
Yuki Tanaka
as Aoi (voice)
Yuki Kazu
as Schoolboy (voice)
Haruna Mikawa
as Schoolgirl (voice)
Yu Hatori
as Teacher (voice)
Sunao Chikaoka
Animation Director
Izumi Hirose
Color Designer
Eriko Kimura
Sound Director
Takaomi Shinoda
Ryota Kinami
Editor
Huang Chieh
Ryosuke Mizuno
Dan Saito
Mayu Takehana
CGI Director
Yo Watanabe
Second Unit Director
Kei Masaki
Koichi Usami
ACA-Ne
Theme Song Performance
Kanako Sakaguchi
Miki Ogino
Akiko Watanabe
Tatsuya Sakurai
Kunihiko Inaba
Art Direction
Masato Takeuchi
Kei Machida
Director of Photography
Kotono Hirai
Mayuko Kato
Taku Kimura
Yukie Nishimura
Hayashi Mori
Screenplay
Koji Yamamoto
Producer
Hiroyasu Ishida
Director
Akihiro Nagae
Character Designer
Umitaro Abe
Original Music Composer
Fumi Kato
Storyboard Artist
Atsuhito Masuda
Assistant Director
Tomomi Kawatsuma
Prop Designer
Shiori Shiwa
Art Designer
Yoshihiro Sono
Li Wentao
Key Animation
Natsumi Hattori
Supervising Animation Director
Nana Miura
Yuya Fukuda
Takashi Kumagai
BONO
Masanao Murayama
Satomi Tanigaki
Kazuo Takigawa
Marin Inai
Hiroshi Shimizu
Opening/Ending Animation
Hamil
Haruka Yutoku
Ryoko Amisaki
Kazuhiko Yabumoto
Rie Otani
Katsushi Suzuki
Takayuki Onoda
Keiko Fukumoto
Oomizu Udagawa
Yuichi Fujimaki
Aiden Guo
Yuki Onuma
Chie Nishihara
Tatsuro Kawano
Ayu Imoto
Rei Ishikura
Nana Ikeda
Background Designer
Kentaro Kurisaki
Karen Nozawa
Saki Yamada
Kou Horio
Shoko Dobashi
Special Effects
Masami Hayashi
Eriko Nakamura
Mitsuo Yoshino
Layout Supervisor
Blue
Jun Ishikawa
Julia Derungs
Hitomi Kariya
Asato Ikumi
Tomohiro Morishita
Sayumi Kurumatani
Shiori Mizutani
Rai
Tomoko Tamaki
Kenta Yokoya
Akira Wakabayashi
Mizuki Miyata
Hibiki Koike
Chika Kanai
Akari Miyamura
Kazuma Nakao
Kazuaki Imoto
Erika Nagaoka
TOMATO
Yuka Masuda
Anna Takahashi
Shinako Takahashi
Riko Fujita
Yuko Yamamoto
Lin Kewei
Namiko Ishidate
Toshiyuki Nanto
Haruka Masuo
Saori Yonezawa
Kaoru Maehara
Emiko Hirata
Kanako Iwaki
Aya Nakazawa
Rio Takeda
Takumi Minami
Yoshiaki Matsuda
Yuki Ishii
Mayumi Nakajima
Yuki Nomura
Hiroshi Nitta
Kazuma Shirai
Duan Haiyan
Aya Kondo
Tomoaki Kado
Chie Akitake
Natsuki Yamada
Daiki Nagata
Asaka Yokoyama
Aoi Mori
Taichi Shishido
Assistant Art Director
Hikari Hashimoto
Yuri Kumesawa
Yohei Kawamura
Shinsuke Kinoshita
Nanami Sakata
Tomokazu Mii
Sound Effects
Arisa Matsuzawa
Naoto Yamaya
Akiko Kazato
Takuya Hasegawa
Natsue Muramoto
Keiichiro Shimizu
Jean-Marc Poiriault
Yuri Ishikawa
Kasumi Takeuchi
Yuki Funagakure
Fumika Shishido
Akemi Konno
Sachiko Nishi
Foley Recordist
Katsuhiro Nakano
Yuji Onuki
Kosuke Ogata
Anri Ishida
Akiko Muto
Foley Editor
Junichi Arai
Online Editor
Takeshi Imaizumi
Sound Recordist
Shizuo Kurahashi
Foley Artist
Arata Yokota
Production Assistant
2D Artist
Gaku Ebe
Sarasa Shoji
Motoki Taniguchi
Azuma Hasegawa
Kazuhiro Yoshifu
Misaki Ohta
Minaka Sakamoto
Additional Writing
Shuuji Suzuki
Sound Mixer
Shuuta Kudo
Other