How many movies have Hiroko Sakurai and Masaya Nihei acted in together?

They have worked on 7 movies together! Their first movie together was The Elegant Life of Mr. Everyman (1963) while their highest rated movie together was ウルトラマン前夜祭 ウルトラマン誕生 (1966). They have not worked together since Ultraman Monster Legend: The 40 Year Old Truth (2005). They are most known for their action films together.