How many movies have Atsuhiro Iwakami and Maaya Sakamoto collaborated on?

They have worked on 11 movies together! Their first movie together was The Garden of Sinners: Overlooking View (2007) while their highest rated movie together was Kizumonogatari Part 2: Nekketsu (2016). They have not worked together since Kizumonogatari Part 3: Reiketsu (2017). They are most known for their animation films together.