How many movies have Atsuhiro Iwakami and Atsushi Ikariya collaborated on?

They have worked on 6 movies together! Their first movie together was The Garden of Sinners: Overlooking View (2007) while their highest rated movie together was Fate/stay night: Heaven's Feel III. Spring Song (2020). They have not worked together since Fate/stay night: Heaven's Feel III. Spring Song (2020). They are most known for their fantasy films together.