Release Date : 2009
Country : Japan
Language : Japanese
Subtitle(s): English
Synopsis: Kenji Koiso, an eleventh grade math genius, agrees to take a summer job at the Nagano hometown of his crush, Natuski. When he arrives, he finds that her family have reunited to celebrate the 90th birthday of the family matriarch. His job is to pretend to be Natsuki's fiancé. Meanwhile, his attempt to solve a mathematical equation causes a parallel world's collision with earth.
Genre: Animation, Adventure, Comedy
Cast : Sumiko Fuji ... Sakae Jinnouchi
Ryûnosuke Kamiki ... Kenji Koiso (voice)
Ayumu Saitô ... Wabisuke Jinnouchi
Nanami Sakuraba ... Natsuki Shinohara
Yôji Tanaka ... Yorihiko (voice)
Mitsuki Tanimura ... Kazuma Ikezawa
Also Known As : Samâ wôzu