How many movies have Lee Chae-dam and Ya Sin-soo collaborated on?

They have worked on 3 movies together! Their first movie together was Sister-in-law's Open Petals (2022) while their highest rated movie together was Pussy Rubbing Married Women (2022). They have not worked together since The Crackdown on the Back Door of the Old Lady (2023). They are most known for their romance films together.