How many movies have Akira Suzuki and Katsumasa Naoi collaborated on?

They have worked on 12 movies together! Their first movie together was Ichijo's Wet Lust (1972) while their highest rated movie together was Wet Lust: 21 Strippers (1974). They have not worked together since Rape and Death of a Housewife (1978). They are most known for their drama films together.