How many movies have Shin'ichi Ôoka and Shingo Kazami collaborated on?

They have worked on 7 movies together! Their first movie together was In Love With Him (1987) while their highest rated movie together was Ultra Q The Movie: Legend of the Stars (1990). They have not worked together since Ultraman Cosmos vs. Ultraman Justice: The Final Battle (2003). They are most known for their science fiction films together.