How many movies have Makoto Sugimoto and Toshiatsu Kôzuma collaborated on?

They have worked on 13 movies together! Their first movie together was Big Breasts (1992) while their highest rated movie together was Gibo no onanii: Hatsujô roshutsu (1997). They have not worked together since Gibo no onanii: Hatsujô roshutsu (1997). They are most known for their drama films together.