How many movies have Hiroshi Yamashita and Ken Arto collaborated on?

They have worked on 3 movies together! Their first movie together was Macross Frontier: The Wings of Farewell (2011) while their highest rated movie together was Road to Ninja: Naruto the Movie (2012). They have not worked together since Fairy Tail: Phoenix Priestess (2012). They are most known for their action films together.