How many movies have Yoko Kajiyama and Yuko Omae collaborated on?

They have worked on 4 movies together! Their first movie together was Tales of Zestiria: The Shepherd's Advent (2014) and was their highest rated movie together. They have not worked together since Demon Slayer: Kimetsu no Yaiba -To the Hashira Training- (2024). They are most known for their animation films together.