How many movies have Masaki Tachibana and Taiki Sakurai collaborated on?

They have worked on 4 movies together! Their first movie together was Ghost in the Shell: Stand Alone Complex - Solid State Society (2006) while their highest rated movie together was Evangelion: 2.0 You Can (Not) Advance (2009). They have not worked together since Napping Princess (2017). They are most known for their animation films together.