How many movies have Kohdai Kakimoto and Satoki Iida collaborated on?

They have worked on 4 movies together! Their first movie together was Arpeggio of Blue Steel -Ars Nova DC- (2015) while their highest rated movie together was Arpeggio of Blue Steel -Ars Nova Cadenza- (2015). They have not worked together since BanG Dream! Episode of Roselia II: Song I am. (2021). They are most known for their animation films together.