How many movies have Ken Nakamoto and Yoshitaka Asama collaborated on?

They have worked on 6 movies together! Their first movie together was Ore to aitsu no monogatari (1981) while their highest rated movie together was Tora-san, the Expert (1982). They have not worked together since Free and Easy 12: Big Holiday Bonus Project (2001). They are most known for their comedy films together.