How many movies have Toshie Honda and Yuka Iguchi collaborated on?

They have worked on 5 movies together! Their first movie together was The Garden of Sinners: Oblivion Recording (2008) while their highest rated movie together was Girls und Panzer das Finale: Part III (2021). They have not worked together since Girls und Panzer das Finale: Part III (2021). They are most known for their animation films together.