How many movies have Keiichi Nanba and Yoshinori Nakamura collaborated on?

They have worked on 2 movies together! Their first movie together was Yokohama Meibutsu Otoko Katayama Gumi! (1991) and was their highest rated movie together. They have not worked together since Yokohama Meibutsu Otoko Katayama Gumi 2 (1992).