How many movies have Miyu Irino and Seiji Mizushima collaborated on?

They have worked on 5 movies together! Their first movie together was Mobile Suit Gundam 00 Special Edition I: Celestial Being (2009) while their highest rated movie together was UN-GO episode:0 INGA-RON (2011). They have not worked together since UN-GO episode:0 INGA-RON (2011). They are most known for their animation films together.