How many movies have Hidehiko Emi and Yokoyama Kazuhiro collaborated on?

They have worked on 3 movies together! Their first movie together was Step Up Love Story (2011) while their highest rated movie together was Step Up Love Story: Second Kiss (2011). They have not worked together since Kowabana J: After School Ghost Stories 4 (2013). They are most known for their comedy films together.