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Always protect your network.

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.
2009-08-01
114 min
⭐ 7.5 (1031 votes)
Animation, Science Fiction
Japanese
Japan
Madhouse
Nippon Television Network Corporation
KADOKAWA Shoten
D.N. Dream Partners
Warner Bros. Japan
Yomiuri Telecasting Corporation
VAP
Studio Chizu
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