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.
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7.5/10Rating on TMDBFrom The Movie Database1,091 votes
Ryunosuke KamikiKenji Koiso (voice)
Hitomi MiyauchiNatsuki Shinohara (voice)
Mitsuki TanimuraKazuma Ikezawa (voice)
Sumiko FujiSakae Jinnouchi (voice)
Ayumu SaitoWabisuke Jinnouchi (voice)
Takahiro YokokawaTakashi Sakuma (voice)
Kiyomi TanigawaYukiko Shinohara (voice)
Mutsumi SasakiKazuo Shinohara (voice)
Mieko NobusawaMariko Jinnouchi (voice)
Takuya KirimotoRiichi Jinnouchi (voice)
Sakiko TamagawaRika Jinnouchi (voice)
Ichiro NagaiMansuke Jinnouchi (voice)
Takashi KobayashiTasuke Jinnouchi (voice)
Yutaka ShimizuShota Jinnouchi (voice)
Kaori YamagataNaomi Miwa (voice)
