How many movies have Akira Sakamoto and Go Kuga collaborated on?

They have worked on 5 movies together! Their first movie together was Poruno da yo! Zen'in shûgô: Maruhi waisetsu shûdan (1974) while their highest rated movie together was Yobai dai-hyakka: Sakura-gai dorobô (1980). They have not worked together since Yobai dai-hyakka: Sakura-gai dorobô (1980).