How many movies have Kenji Shimamura and Takeshi Omura collaborated on?

They have worked on 4 movies together! Their first movie together was Akasen Honmoku chabuya no onna (1975) while their highest rated movie together was Nurses' Secret Chart: Randy White Uniforms (1975). They have not worked together since Toruko saishin tekunikku: Kyuzetsu (1976).