How many movies have Atsuhiro Iwakami and Masaaki Takiyama collaborated on?

They have worked on 6 movies together! Their first movie together was Puella Magi Madoka Magica the Movie Part III: Rebellion (2013) while their highest rated movie together was Kizumonogatari Part 2: Nekketsu (2016). They have not worked together since Lonely Castle in the Mirror (2022). They are most known for their fantasy films together.