How many movies have Shin Jung-hoon and Song Young-in acted in together?

They have worked on 6 movies together! Their first movie together was Shimajiro and Fufu's Great Adventure: Save the Seven-Colored Flower! (2013) while their highest rated movie together was Shimajiro and the Rainbow Oasis (2017). They have not worked together since Shimajirou the Movie: Great Adventure on Magic Island (2018). They are most known for their family films together.