Directed by: Mamoru Hosoda
Written by Watsuko Otera
Starring: Ryunosuke Kamiki/Hitomi Miyauchi/Junko Toji/Miyuki Timura/Ayumi Saito
Genre: Comedy/sci-fi/Animated/Family/Adventure
Production country: Japan
Language: Japanese/English
Release Date: 2009-08-01(Japan)
Running time: 114 minutes
Synopsis of the Summer War
High school student Kenji Koisoki is an honest and introverted math genius. One summer day, he is invited to work in the hometown of his beautiful senior sister, Shinuchi. Turns out, the content of the job is actually pretending to be Shaxi’s boyfriend. The family ancestor was a warrior family with the Tokugawa Army, hundreds of years have passed, the tough and tenacious character is still deeply rooted in the soul of this family. After the initial restraint, Kenji gradually integrated into the lively family.
In the world at that time, an online virtual platform called “OZ” swept the world, and 1.6 billion people were fascinated. It boasts the most secure defense system in the world, but its login password is accidentally cracked by Kenji. Mysterious hackers invade OZ, and the virtual network and real society are suddenly thrown into chaos. At a critical moment, one family in the army regains the responsibility and honor of the samurai family, and the destroyer A.I. It was a tense summer battle…