How many movies have Shōgorō Nishimura and Takeshi Kitamura collaborated on?

They have worked on 11 movies together! Their first movie together was Iro zange (1983) while their highest rated movie together was High School Teacher: Maturing (1985). They have not worked together since Shirobara gakuin: Waisetsuna hōkago (1986). They are most known for their drama films together.