How many movies have Minami Takayama and Yuichiro Nakajima collaborated on?

They have worked on 4 movies together! Their first movie together was Nintama Rantarou Movie: Ninjutsu Gakuen Zenin Shutsudou! no Dan (2011) while their highest rated movie together was Love Live! The School Idol Movie (2015). They have not worked together since Case Closed: The Crimson Love Letter (2017). They are most known for their animation films together.