How many movies have Yoshiaki Yanagida and Yuuichi Nakajima collaborated on?

They have worked on 3 movies together! Their first movie together was Magic Tree House (2012) while their highest rated movie together was Zorori the Naughty Hero: Super Adventure! (2012). They have not worked together since Bodacious Space Pirates: Abyss of Hyperspace (2014). They are most known for their animation films together.