How many movies have Taketo Gonpei and Tatsuya Miki collaborated on?

They have worked on 2 movies together! Their first movie together was Weathering with You (2019) while their highest rated movie together was Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020). They have not worked together since Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020).