How many movies have Kai and Tony Ooki collaborated on?

They have worked on 2 movies together! Their first movie together was I Secretly Want You To Fuck My Wife... - Her Husband Has Cuckold Fantasies And Planned Out A Creampie Adultery Fuck Fest - Nao Jinguji (2020) and was their highest rated movie together. They have not worked together since Original Work By Oniroku Dan, Mrs. Yuugao (2022).