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.
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.
Top Cast
Ryunosuke Kamiki
Character: Kenji Koiso (voice)
Hitomi Miyauchi
Character: Natsuki Shinohara (voice)
Mitsuki Tanimura
Character: Kazuma Ikezawa (voice)
Sumiko Fuji
Character: Sakae Jinnouchi (voice)
Ayumu Saito
Character: Wabisuke Jinnouchi (voice)
Takahiro Yokokawa
Character: Takashi Sakuma (voice)
Kiyomi Tanigawa
Character: Yukiko Shinohara (voice)
Mutsumi Sasaki
Character: Kazuo Shinohara (voice)
Mieko Nobusawa
Character: Mariko Jinnouchi (voice)
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