How many movies have Kouzuki Ruu and Yui Karen acted in together?

They have worked on 5 movies together! Their first movie together was Welcome to Takarazuka: Snow and Moon and Flower / A Farce in Pigalle (Frénésie à Pigalle) (2020) and was their highest rated movie together. They have not worked together since Deep Sea: The Carnival of the Sea Gods (2023).