Summer Wars

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 fiance. Kenji meets several of Natsuki's relatives and things are getting more 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, he didn't realize that he accidentally set off a powerful and ruthless computer program on the loose, sparking a catastrophic chain reaction by ensnaring all the accounts in OZ mainframe and using them to high-jack the entire system worldwide. As the damage continues to get worse, Kenji and his new "family" must join forces together to avert the chaos. As they're preparing for countermeasures, they're on the race against the clock as the rogue A.I. is about to unleashed a global apocalypse. Will they ever make it in time before it's too late?