Summer Wars (2009)

Anime movie · Animation, Science Fiction · 114 min · TMDB 7.5/10

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.

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