How many movies have Akiko Tsuboi and Leiji Matsumoto collaborated on?

They have worked on 3 movies together! Their first movie together was Galaxy Express 999: The Movie (1979) while their highest rated movie together was Galaxy Express 999: Can You Live Like a Warrior!! (1979). They have not worked together since Adieu Galaxy Express 999 (1981). They are most known for their science fiction films together.