How many movies have Gorō Naya and Yukiyoshi Itokawa collaborated on?

They have worked on 21 movies together! Their first movie together was Lupin the Third: Bye Bye, Lady Liberty (1989) while their highest rated movie together was Lupin the Third: Greatest Capers (1995). They have not worked together since Lupin the Third: Seven Days Rhapsody (2006). They are most known for their crime films together.