I've just found this movie, and very shocked !!!!!
NEVER TRUST THIS MOVIE !
This one contains A LOT OF WRONG explanations about japanese culture ! ! !
http://www.youtube.com/watch?v=mc2e2U4RFSg
I laughed a lot, of course.
(Note)
I searched internet.....
They are "Rahmens"(Japanese comedian).
This is a japanese joke TV program.OH!What a relief!
other movies...
Dogeza
http://www.youtube.com/watch?v=s4V_K4eEmbQ
Friendship
http://www.youtube.com/watch?v=QxtpB1FxARQ
http://www.youtube.com/watch?v=5p-LuvWIg9g