The Magic Hour (2008 film)

The Magic Hour ? is a 2008 Japanese film written and directed by Kki Mitani.

When a lowlevel gangster Satoshi Tsumabuki is caught having an affair with his bosss wife Eri Fukatsu, he pleads for his life by promising his boss Toshiyuki Nishida that he will recruit a famous hitman. When it quickly becomes apparent that he is never going to find the wanted hitman, he hires an actor Kichi Sat to fill the role.For much of the movie, the actor playing the hitman believes that he has been hired to play a part in a seemingly arcane gangster movie, and interacts with the other gangsters as though they are also hired actors. At times, this puts his employer Satoshi Tsumabuki in a precarious position. ........

Source: Wikipedia