How many movies have Chun Yu and Park Sun-bong acted in together?

They have worked on 4 movies together! Their first movie together was The Love Story of Chun-hyang (1961) while their highest rated movie together was The Way of Hwarang (1962). They have not worked together since 한양에서 온 성춘향 (1963). They are most known for their romance films together.