How many movies have Aku Hirviniemi and Niina Lahtinen acted in together?

They have worked on 6 movies together! Their first movie together was 21 Ways to Ruin a Marriage (2013) while their highest rated movie together was Hayflower, Quiltshoe and the Rubens Brothers (2017). They have not worked together since Reunion 3: Singles Cruise (2021). They are most known for their comedy films together.