Summer Wars(2010)

PG
Rated PG for action violence, some suggestive content, language, mild thematic material and incidental smoking
1h 54m

Release Date: Dec 24, 2010 | Limited

7.4

A student tries to fix a problem he accidentally caused in OZ, a digital world, while pretending to be the fiancé of his friend at her grandmother's 90th birthday.

Official Website

Releases

Original Release | Dec 24, 2010

2025 Re-release | Jul 27, 2025

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Box Office Results

All Releases (2)
Total US & Canada:
$326,033
Total International
$18,411,902
Total Worldwide:
$18,737,935

Total US & Canada:
$80,768
Total International
$18,353,560
Total Worldwide:
$18,434,328

Current Showtimes

orround

Sat May 9
Sun May 10
Mon May 11
Tue May 12
Wed May 13
Thu May 14
Fri May 15

Director & Top Cast

Mamoru Hosoda
Director

Ryûnosuke Kamiki
Kenji Koiso

Nanami Sakuraba
Natsuki Shinohara

Mitsuki Tanimura
Kazuma Ikezawa

Takahiro Yokokawa
Takashi Sakuma

Mieko Nobusawa
Mariko Jin'nouchi

Mutsumi Sasaki

Kazuo Shinohara

Takashi Kobayashi

Tasuke Jin'nouchi

Yôji Tanaka

Yorihiko Jin'nouchi

Kiyomi Tanigawa

Yukiko Shinohara

Hashiya Nakamura

Kunihiko Jin'nouchi

Sakiko Tamagawa

Rika Jin'nouchi

Kaori Yamagata

Naomi Miwa

Takuya Kirimoto

Ri'ichi Jin'nouchi

Mitsutaka Itakura

Katsuhiko Jin'nouchi

Tagame Tamura

Kiyomi Ikezawa

Eiko Kanazawa

Noriko Jin'nouchi

Chigusa Takaku

Nana Jin'nouchi

Technical Specifications

Sound Mix: Dolby Digital

Aspect Ratio: 1.85 : 1

Other Details

Country of Origin: Japan

Language: Japanese,English

Summaries

Plot Summary

The story centers on high school student Kenji Koiso, a wiz in mathematics but ill-adept socially, who spends his time in OZ, a massive computer-simulated virtual reality world, as a part-time low-end moderator. At the beginning of summer vacation, he is asked by Natsuki, one of the most popular girls in his school, to help in celebrating her great-grandmother's 90th birthday. Although Kenji does not know the details of the plan, he agrees and goes with Natsuki to her grandmother's estate in Ueda, Nagano Prefecture. Much to Kenji's surprise, he is introduced at the Shinohara family house as Natsuki's fiancé.As Kenji tries to act the part, meets over a dozen of Natsuki's relatives, and deals with Natsuki's "first love" crush on her uncle Wabisuke Jinnouchi, he receives a mysterious e-mail with a mathematics code. He cracks the code and returns it to the sender but finds himself at the center of a developing news story the following day. Overnight, OZ has been hacked and he is the prime suspect. Using Kenji's account and avatar, the real "hacker", which is actually the advanced artificial intelligence system Love Machine, wreaks havoc on the virtual world of Oz which is affecting the real world that is deeply ingrained into Oz' system. With car navigation systems disabled and computer systems malfunctioning, Japan grinds to a halt. With his math skills Kenji is able to crack the passcode and returns control of Oz back to the moderators and Oz' engineers. Meanwhile Natsuki's great-grandmother, Sakae Jinnouchi, uses the level of influence she's created in her 90 years of life and calls various people in important positions in Japan's society and her family who work in various emergency services. She encourages them all to work their hardest, to see through this troubling time of turmoil, reducing the potential chaos and damage that could have occurred. But her actions do not go unnoticed by Love Machine, which leads to an unfortunate tragedy for the Shinohara clan. Although no longer controlling Oz itself, Love Machine continued to steal user accounts, numbering over 10 million at the time, with one being linked to a heart monitoring system for Natsuki's great grandmother. This causes delayed care and ultimately her death when her heart fails her in her sleep. In order to prevent similar incidents and get revenge, Kenji enlists the help of fellow mod and best friend Takashi Sakuma, Natsuki's cousin Kazuma Ikezawa (who is the legendary Oz fighter King Kazma), and the rest of the Shinohara family to defeat Love Machine.After escaping from a trap and winning a combat online, Love Machine takes control of a satellite and sets it on a crash course with a nuclear power plant somewhere on Earth where the fallout could destroy life on the planet. Kazuma tries to fight Love Machine again, now embodied in over 400 million stolen accounts as an almost living botnet, but he is no match and is absorbed by Love Machine. Needing a way to take back the 400 million stolen accounts and find the one linked to the satellite and its GPS, Kenji uses the fact that Love Machine sees everything as a game and has Natsuki's family provoke Love Machine into a game of Koi-Koi in Oz' casino world. There they wager the accounts of the Shinohara family and eventually that of the people throughout the world. Natsuki defeats Love Machine and manages to regain almost all the accounts stolen and in the process stopping the satellite from crashing into the nuclear power plant. However, Love Machine is able to set the satellite navigation and in revenge directs it toward the Shinohara household instead. Using his moderator level of access to Oz and math skills, Kenji manages to hack into the GPS of the satellite and redirects it away from the house, while Love Machine is deleted by the newly rescued King Kazuma. In the aftermath, Natsuki's family celebrate the victory in the memory of their late grandmother. Under the pressure of Natsuki's family, who suggest that the two should marry for real after lying to the family about their engagement, Kenji and Natsuki kiss. [wikipedia]

Storyline

Kenji Koiso, an eleventh grade math genius, 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 the family matriarch. His job is to pretend to be Natsuki's fiancé. Meanwhile, his attempt to solve a mathematical equation causes a parallel world's collision with earth. — Chris Evans OZ, is a virtual cyberworld interfused to the internet, has become extremely famous worldwide as a spot for people to immerse in a huge assortment of activities, such as playing sports or shopping, through avatars built-in and customized by the user. OZ also owns a near impervious security due to its strong encryption, ensuring that any personal data transferred through the networks will be kept secured in order to protect those who use it. This is the story of Kenji Koiso, a skittish eleventh-grade math genius and part-time OZ moderator who is invited by a twelfth-grade student, Natsuki Shinohara to celebrate her great-grandmother's 90th birthday at her family's estate in Ueda. But unknown to him, this journey requires him to pretend as her fiancé. Kenji meets several of Natsuki's relatives and things are getting complicated than he expected. But one night, he received an email containing a weird cryptic mathematical code and he cracks it. After he solved the code, what he didn't realize that he accidentally set off a powerful and ruthless computer program on the loose and sparks a catastrophic chain reaction by ensnaring all the accounts in OZ mainframe and used them to highjacked the entire systems worldwide. As the damage continues to get worst, Kenji and his new "family" must joined forces together to avert the chaos. As they've preparing for countermeasures, they're on the race against the clock as the rouge A.I is about to unleashed a global apocalypse. Will they've ever make in time before it's too late?

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