How many movies have Ryuichi Nagashima and Satomi Oka acted in together?

They have worked on 12 movies together! Their first movie together was Lords of Oppression (1957) while their highest rated movie together was Miyamoto Musashi (1961). They have not worked together since Young Master Yakuza: Edoite Goblin (1963). They are most known for their drama films together.