How many movies have Hiroaki Imaki and Mitsuru Sōma collaborated on?

They have worked on 4 movies together! Their first movie together was Lupin the Third: The Last Job (2010) while their highest rated movie together was Road to Ninja: Naruto the Movie (2012). They have not worked together since Road to Ninja: Naruto the Movie (2012). They are most known for their action films together.