Summer Wars (2009)
Always protect your network.
Director: Mamoru Hosoda · Writer: Satoko Okudera
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.
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Apple TV Store
Google Play Movies
YouTube
Fandango At Home
Trailer
Director
Mamoru Hosoda
Cast
Ryunosuke Kamiki
Kenji Koiso (voice) 
Hitomi Miyauchi
Natsuki Shinohara (voice) 
Mitsuki Tanimura
Kazuma Ikezawa (voice) 
Sumiko Fuji
Sakae Jinnouchi (voice) 
Ayumu Saito
Wabisuke Jinnouchi (voice) 
Takahiro Yokokawa
Takashi Sakuma (voice) 
Kiyomi Tanigawa
Yukiko Shinohara (voice) 
Mutsumi Sasaki
Kazuo Shinohara (voice) 
Mieko Nobusawa
Mariko Jinnouchi (voice) 
Takuya Kirimoto
Riichi Jinnouchi (voice) 
Sakiko Tamagawa
Rika Jinnouchi (voice) 
Ichiro Nagai
Mansuke Jinnouchi (voice) User Reviews (1)
It’s really quite apposite to watch this film at a time when governments across the world are merrily acquiescing to the demands of global tech to facilitate the rampant advance of AI. This story quite cleverly illustrates just how easily a collection of “Will Hunting” types can be used to crack even the most complex (2,000 digit) numeric code and allow nefarious access to a global network which manages just about everything we do - from using our phones to firing a nuclear missile. It’s bright spark - but maybe just a touch inept - “Kenji” who has accepted a task that is definitely not what he was expecting from “Natsuki” and so finds himself at her grandmother’s ninetieth birthday luncheon posing as her beau. A bit of a nervous wreck, he is later presented with an online puzzle by “OZ”, the network in question and he manages to message back a solution. Next thing …
