How many movies have Hideyuki Tanaka and Ichiro Nagai acted in together?

They have worked on 9 movies together! Their first movie together was The Legend of Marine Snow (1980) while their highest rated movie together was Urusei Yatsura: Beautiful Dreamer (1984). They have not worked together since Yona Yona Penguin (2009). They are most known for their animation films together.