How many movies have Ryuuhou Ookawa and Yoshimi Ashikawa collaborated on?

They have worked on 6 movies together! Their first movie together was Hermes - Winds of Love (1997) while their highest rated movie together was Beautiful Lure: A Modern Tale of Painted Skin (2021). They have not worked together since Beautiful Lure: A Modern Tale of Painted Skin (2021). They are most known for their drama films together.