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When timid eleventh-grader and math genius Kenji Koiso (Ryunosuke Kamiki) is asked by older student and secret crush Natsuki (Nanami Sakuraba) to come with her to her family’s Nagano home for a summer job, he agrees without hesitation. Natsuki’s family, the Jinnouchi clan, dates back to the Muromachi era (1336 to 1573), and they’ve all come together to celebrate the 90th birthday of the spunky matriarch of the family, Sakae. That’s when Kenji discovers his “summer job” is to pretend to be Natsuki’s fiance and dance with her at the birthday celebration. As Kenji attempts to keep up with Natsuki’s act around her family, he receives a strange math problem on his cell phone which, being a math genius, he can’t resist solving. As it turns out, the solution to the mysterious equation causes a bizarre parallel world to collide with Earth, and it’s up to Kenji and his new fake family to put reality back in order. (Source: Twitch)

Kazuma Ikezawa
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Kenji Koiso
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Kiyomi Ikezawa
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Noriko Jinnouchi
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Shingo Jinnouchi
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Kana Jinnouchi
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Mansaku Jinnouchi
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Natsuki Shinohara
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Ryohei Jinnouchi
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Rika Jinnouchi
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Shouta Jinnouchi
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Yumi Jinnouchi
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Katsuhiko Jinnouchi
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Nana Jinnouchi
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Yorihiko Jinnouchi
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Kunihiko Jinnouchi
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Yuhei Jinnouchi
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Mansuke Jinnouchi
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Tasuke Jinnouchi
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Riichi Jinnouchi
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