How many movies have Chika Hirabuki and Takumu Sasaki collaborated on?

They have worked on 6 movies together! Their first movie together was Pop in Q (2016) while their highest rated movie together was Maquia: When the Promised Flower Blooms (2018). They have not worked together since Fate/strange Fake -Whispers of Dawn- (2023). They are most known for their animation films together.