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.

Release Date: 2009-08-01

Genres: Animation

Director: Mamoru Hosoda

Actors: Mitsuki Tanimura ,Nanami Sakuraba ,Sumiko Fuji ,Ayumu Saitô ,Riisa Naka ,Ryunosuke Kamiki

Duration: 1h 54m

IMDB rating: 7.4