How many movies have Kinosuke Yagita and Kōji Seyama collaborated on?

They have worked on 3 movies together! Their first movie together was Detective Bureau 2-3: Go to Hell, Bastards! (1963) while their highest rated movie together was Massacre Gun (1967). They have not worked together since Blind Woman's Curse (1970). They are most known for their action films together.