How many movies have Kenichi Matsuzaki and Mitsuki Nakamura collaborated on?

They have worked on 5 movies together! Their first movie together was Mobile Suit Gundam I (1981) while their highest rated movie together was Space Runaway Ideon: Be Invoked (1982). They have not worked together since Techno Police 21C (1982). They are most known for their science fiction films together.