How many movies have Ren Ichinose and Riri Kouda acted in together?

They have worked on 2 movies together! Their first movie together was 股間の純真　ポロリとつながる (2017) while their highest rated movie together was Shimai jiken-bo: Etchi ni marumie (2019). They have not worked together since Shimai jiken-bo: Etchi ni marumie (2019).