How many movies have Kaori Nazuka and Ryoko Shiraishi acted in together?

They have worked on 7 movies together! Their first movie together was Towa no Quon 1: The Ephemeral Petals (2011) while their highest rated movie together was Towa no Quon 3: The Complicity of Dreams (2011). They have not worked together since Fate/kaleid liner Prisma☆Illya: Licht Nameless Girl (2021). They are most known for their animation films together.