How many movies have Hironori Tanaka and Keiichiro Watanabe collaborated on?

They have worked on 3 movies together! Their first movie together was Modest Heroes (2018) while their highest rated movie together was Jujutsu Kaisen 0 (2021). They have not worked together since Jujutsu Kaisen 0 (2021). They are most known for their animation films together.