How many movies have Director O. and Tetsuya Ichikawa collaborated on?

They have worked on 5 movies together! Their first movie together was A Stepdad’s Sex Toy – A Beautiful Young Girl In Uniform Falls Out With Her Boyfriend – Ichika Matsumoto (2020) and was their highest rated movie together. They have not worked together since A Little Love Story Between A Runaway Girl And An Old Man Urara Kanon (2021). They are most known for their drama films together.