Released:
2009-08-01

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.

Director:
Mamoru Hosoda

Runtime:
1h 54min

Genre:
Animation, Science Fiction

• 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)