How many movies have Jun Kasui and U. Kichi collaborated on?

They have worked on 1 movie together! Their first movie together was My first night with my first girlfriend… I was so excited by her pure looks and unimaginable erotic skills (2022) and was their highest rated movie together. They have not worked together since My first night with my first girlfriend… I was so excited by her pure looks and unimaginable erotic skills (2022).