How many movies have Hiroya Matsumoto and Ichiro Mizuki collaborated on?

They have worked on 3 movies together! Their first movie together was Cho Ninja Tai Inazuma (2006) while their highest rated movie together was Tokumei Sentai Go-Busters vs. Kaizoku Sentai Gokaiger: The Movie (2013). They have not worked together since They're Back! Tokumei Sentai Go-Busters vs. Doubutsu Sentai Go-Busters (2013). They are most known for their science fiction films together.