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