How many movies have Akira Sakamoto and Hiroki Tamaki collaborated on?

They have worked on 3 movies together! Their first movie together was Poruno da yo! Zen'in shûgô: Maruhi waisetsu shûdan (1974) and was their highest rated movie together. They have not worked together since Dokyumento-poruno: Zoku chikan shûdan (1975).