How many movies have IST and Kentaro Kami collaborated on?

They have worked on 1 movie together! Their first movie together was Shame! Gender Equality Special Promotion School District Starting This Year, Every Monday Will Be A Naked School Day For The New Semester 2021 (2021) and was their highest rated movie together. They have not worked together since Shame! Gender Equality Special Promotion School District Starting This Year, Every Monday Will Be A Naked School Day For The New Semester 2021 (2021).