How many movies have Michino Yokoyama and Yumi Shirakawa acted in together?

They have worked on 10 movies together! Their first movie together was Sazae-san's Marriage (1959) while their highest rated movie together was The Lovelorn Geisha (1960). They have not worked together since Sararīman Gonza to Sukejū ren'ai kōsa-ten (1962).