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What is Summer Wars about?

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.

Genres: Animation, Science Fiction
Released: 2009-08-01
Director: Mamoru Hosoda
Rating: ★ 7.5 / 10

Top 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)

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