How many movies have Gorō Naya and Hibiki Itou collaborated on?

They have worked on 6 movies together! Their first movie together was Lupin the Third: The Hemingway Papers (1990) while their highest rated movie together was Lupin the Third: Voyage to Danger (2001). They have not worked together since Lupin the Third: Voyage to Danger (2001). They are most known for their crime films together.