How many movies have Kei Ohashi and Tetsu Shiratori collaborated on?

They have worked on 2 movies together! Their first movie together was Mobile Suit Gundam 00 The Movie: -A Wakening of the Trailblazer- (2010) and was their highest rated movie together. They have not worked together since Armored Trooper VOTOMS: Case; Irvine (2010).