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.
Ryunosuke Kamiki
Hitomi Miyauchi
Mitsuki Tanimura
Sumiko Fuji
Ayumu Saito
Score: 7.1
Score: 5.7
Score: 3.6
Score: 4.7
Score: 4.0
Score: 5.2
Score: 5.5
Score: 4.6
