How many movies have Shin'ya Kawai and Tsuyoshi Iwase collaborated on?

They have worked on 1 movie together! Their first movie together was Sukeban Deka the Movie 2: Counter-Attack of the Kazama Sisters (1988) and was their highest rated movie together. They have not worked together since Sukeban Deka the Movie 2: Counter-Attack of the Kazama Sisters (1988).