The Door into Summer
6.4
“An adventure spanning 30 years starts now.”
A pioneering roboticist awakens in 2025 after decades in cryosleep. To change the past and reunite with his adopted sister, he seeks a way back to 1995.
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Cast
20 people
Kento Yamazaki
Soichiro Takakura
Known for
Alice in Borderland
Kingdom: Return of the Great General
Kaya Kiyohara
Matsushita Riko
Known for
Last Samurai Standing
Josee, the Tiger and the Fish
Naohito Fujiki
Humanoid Robot
Known for
1 Litre of Tears
Fullmetal Alchemist: The Revenge of Scar
Natsuna
Shirashi Rin
Known for
Gantz
Once Upon a Crime
Hidekazu Mashima
Matsushita Kazuhito
Known for
Erased
Liar Game
Taizo Harada
Sato Taro
Known for
Outrage Coda
Rin Takanashi
Sato Midori
Known for
Like Someone in Love
Killers
Kenta Hamano
Tsuboi Gota
Known for
Kamen Rider
Tokyo Ghoul
Tomorowo Taguchi
Professor Toi
Known for
Tetsuo: The Iron Man
House of Ninjas
Ryoka Minamide
Young Soichiro Takakura
Also in
House of Sayuri
The Journey to Killing You
Jun Hashizume
Matsushita Koichi
Known for
Godzilla vs. SpaceGodzilla
Clevatess
Shohei Abe
Insurance Company Employee
Known for
Alice in Borderland
Takahiro Miki Director · Tomoe Kanno Screenplay Robert A. Heinlein Author
First release June 25, 2021 · Produced in Japan · Production Aniplex, Happinet
Production
TOHO
Production
Aniplex
Production
Happinet
Production
Venture Bank Entertainment
Production
Nippan Group Holdings
Production
CyberAgent
Production
Hayakawa Publishing
Production
Lawson Entertainment
Production
Bridgehead
Production
CREDEUS
Production
Japan
Produced in
Languages
Original title
夏への扉 ―キミのいる未来へ―
Original language
Japanese
Spoken on screen
Japanese
Release dates
Japan · June 25, 2021
Theatrical
No release date listed for United States.
France
December 28, 2021 · Digital · Netflix
United Kingdom
December 28, 2021 · Digital · Netflix
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Some details come from TheTVDB.