How many movies have Haruo Sotozaki and Koyoharu Gotouge collaborated on?

They have worked on 8 movies together! Their first movie together was Demon Slayer: Kimetsu no Yaiba – Sibling's Bond (2019) while their highest rated movie together was Demon Slayer -Kimetsu no Yaiba- The Movie: Mugen Train (2020). They are most known for their thriller films together.