How many movies have Eiji Gō and Toshitaro Nakao collaborated on?

They have worked on 3 movies together! Their first movie together was Flowers in the rain (1960) while their highest rated movie together was Cat Girls Gamblers: Abandoned Fangs of Triumph (1966). They have not worked together since Cat Girls Gamblers: Abandoned Fangs of Triumph (1966). They are most known for their drama films together.