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Summer Wars (2009)

Genres: Animation, Science Fiction

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.

• Ryunosuke Kamiki as Kenji Koiso (voice)
• Hitomi Miyauchi as Natsuki Shinohara (voice)
• Mitsuki Tanimura as Kazuma Ikezawa (voice)
• Sumiko Fuji as Sakae Jinnouchi (voice)
• Ayumu Saito as Wabisuke Jinnouchi (voice)
• Takahiro Yokokawa as Takashi Sakuma (voice)
• Kiyomi Tanigawa as Yukiko Shinohara (voice)
• Mutsumi Sasaki as Kazuo Shinohara (voice)