How many movies have Ban Min-jeong and Kim Hwa-yeon acted in together?

They have worked on 1 movie together! Their first movie together was Oligosaccharide The Movie (2017) and was their highest rated movie together. They have not worked together since Oligosaccharide The Movie (2017).

Role
So-yeon [Wife] (Ep. 6: Housekeeper)
Role
Mi-jeong (Ep. 3: Indicator)