Summer Wars
“Always protect your network.”
Teenage math whiz Kenji Koiso agrees to take a summer job at the Nagano hometown of his crush, Natsuki. When he arrives, he finds that her family have reunited to celebrate the 90th birthday of their matriarch. His job: pretend to be Natsuki's fiancé. Meanwhile, his attempt to solve a mathematical equation causes a parallel world's collision with Earth.
Genres
Animation, Science Fiction
Studio
Madhouse
Language
ja
Status
Released
How Summer Wars performed
Budget
N/A
Worldwide Gross
$18.4M
Gross Profit
N/A
Return
N/A
Opening Wknd (est.)
$2M
Source: TMDB. Domestic/international split (~38/62, genre-typical) and the opening-weekend figure (28% of the domestic run, typical for Animation) are MoviesRankd estimates. Profit is gross revenue minus production budget and excludes marketing — studios typically need ~2–2.5× budget to break even.
Where to Watch
Cast
Kenji Koiso (voice)
Ryunosuke Kamiki
Kenji Koiso (voice)
Natsuki Shinohara (voice)
Hitomi Miyauchi
Natsuki Shinohara (voice)
Kazuma Ikezawa (voice)
Mitsuki Tanimura
Kazuma Ikezawa (voice)
Sakae Jinnouchi (voice)
Sumiko Fuji
Sakae Jinnouchi (voice)
Wabisuke Jinnouchi (voice)
Ayumu Saito
Wabisuke Jinnouchi (voice)
Takashi Sakuma (voice)
Takahiro Yokokawa
Takashi Sakuma (voice)
Yukiko Shinohara (voice)
Kiyomi Tanigawa
Yukiko Shinohara (voice)
Kazuo Shinohara (voice)
Mutsumi Sasaki
Kazuo Shinohara (voice)
Mariko Jinnouchi (voice)
Mieko Nobusawa
Mariko Jinnouchi (voice)
Riichi Jinnouchi (voice)
Takuya Kirimoto
Riichi Jinnouchi (voice)
Rika Jinnouchi (voice)
Sakiko Tamagawa
Rika Jinnouchi (voice)
Mansuke Jinnouchi (voice)
Ichiro Nagai
Mansuke Jinnouchi (voice)
If you liked Summer Wars
The Mitchells vs. the Machines
2021
Expelled from Paradise
2014
Cosmic Princess Kaguya!
2026
Roujin Z
1991
Barbie Video Game Hero
2017
Pokémon Ranger and the Temple of the Sea
2006