How many movies have Kenichi Ogata and Masako Katsuki acted in together?

They have worked on 5 movies together! Their first movie together was Urusei Yatsura: Ryoko's September Tea Party (1985) while their highest rated movie together was Case Closed: The Crimson Love Letter (2017). They have not worked together since Case Closed: The Crimson Love Letter (2017). They are most known for their animation films together.