How many movies have Director O. and Kisaragi Mashiro collaborated on?

They have worked on 2 movies together! Their first movie together was Becoming My Perverted Stepfather’s Plaything Beautiful Young Girl In Uniform Has Her Relationship Ruined Mashiro Kisaragi (2021) and was their highest rated movie together. They have not worked together since My Secret Love Life With My Homeroom Teacher Mashiro Kisaragi (2021).