Summer Wars (2009)

Cast: Ryunosuke Kamiki, Hitomi Miyauchi, Mitsuki Tanimura, Sumiko Fuji, Ayumu Saito, Takahiro Yokokawa, Kiyomi Tanigawa, Mutsumi Sasaki, Mieko Nobusawa, Takuya Kirimoto

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 …