How many movies have Katsuji Oyamada and Teiji Inayama collaborated on?

They have worked on 6 movies together! Their first movie together was Furin maruhi kôkai: Hitozuma-tachi no nureba (1997) and was their highest rated movie together. They have not worked together since Mariko Kawana: Female Cat Stepmother (2002). They are most known for their drama films together.