How many movies have Ririka and Taniwa Tetsuya collaborated on?

They have worked on 1 movie together! Their first movie together was First and best anal release. I came so much that my asshole became numb. Ririka (2018) and was their highest rated movie together. They have not worked together since First and best anal release. I came so much that my asshole became numb. Ririka (2018).