How many movies have Atsuhiro Iwakami and Seiko Yoshida collaborated on?

They have worked on 5 movies together! Their first movie together was The Garden of Sinners: The Hollow Shrine (2008) while their highest rated movie together was The Garden of Sinners: Paradox Spiral (2008). They have not worked together since Puella Magi Madoka Magica the Movie Part III: Rebellion (2013). They are most known for their fantasy films together.