Koiso Kenji, a eleventh-grade math genius who works in the summer as a part-time computer technician for the Virtual World of Oz, is invited by Shinohara Natsuki, the most popular girl at his high school to her expansive family`s home for a summer job. In the middle of their trip, a hacker infiltrates the network and takes control of Oz, plunging humanity into absolute chaos.Note: 2010 — Japan Academy Prize for Animation of the Year
- Other Title: Summer Wars, サマーウォーズ
- Status: Completed
- Sub/Dub: Anime Sub
- Anime Type: Movie
- Genres: Comedy, Sci-Fi, Award Winning, Action, Martial Arts, Romance, Sports, Animation
- Characters: Jinnouchi, Wabisuke, Jinnouchi, Sakae, Koiso, Kenji, Shinohara, Natsuki, Ikezawa, Kazuma
- Score: 8.03
- Rank: 550
- Popularity: 423