How many movies have Ayumi Shiraishi and Hiroyuki Terao collaborated on?

They have worked on 4 movies together! Their first movie together was One Piece: Baron Omatsuri and the Secret Island (2005) while their highest rated movie together was Puella Magi Madoka Magica the Movie Part III: Rebellion (2013). They have not worked together since Puella Magi Madoka Magica the Movie Part III: Rebellion (2013). They are most known for their animation films together.