How many movies have Do Mo-Se and Kim Ji-yeon acted in together?

They have worked on 3 movies together! Their first movie together was My Sister's Friend 2 (2017) while their highest rated movie together was An Affair: My Sister-in-law's Love (2018). They have not worked together since An Affair: My Sister-in-law's Love (2018). They are most known for their romance films together.