Overview

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.

Fun facts

Awards
Won the Japan Academy Prize for Animation of the Year (2010)
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Nominations
4 award nominations, including the Asia Pacific Screen Award for Best Animated Feature Film (2009)
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Box office
Grossed $18.4M worldwide
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Music
Music by Akihiko Matsumoto
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Cinematography
Cinematography by Yukihiro Matsumoto
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