How many movies have Mika Kanai and Rei Sakuma acted in together?

They have worked on 8 movies together! Their first movie together was Comet in Moominland (1992) while their highest rated movie together was Go! Anpanman: The Pyramid of the Rainbow (1997). They have not worked together since Go! Anpanman: Dororin and the Transformation Carnival (2022). They are most known for their animation films together.