How many movies have Seiji Mizushima and Tokuyoshi Kawashima collaborated on?

They have worked on 4 movies together! Their first movie together was Mobile Suit Gundam 00 Special Edition II: End of World (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.