I watched one awesome japanese movie!! 
Summer Time Machine Blues, from 2005, starring Eita and Ueno Juri, and other people.
It's about a time machine that some guys gets over. Here's a plot summary from IMDB:

"  5 college boys, Takuma, Masaru, Shunsuke, Atsushi and Daigo all belong to sci-fi club, but they are not interested in science at all. They ( Read more... )