How many movies have Mitsuo Hirotsu and Shōzō Nanbu collaborated on?

They have worked on 3 movies together! Their first movie together was Demonfire Palanquin (1957) while their highest rated movie together was White Snake Woman (1958). They have not worked together since Akado Suzunosuke: Dokuro dentaiji (1958). They are most known for their drama films together.