How many movies have Hiroyuki Nasu and Natsuko Yamamoto collaborated on?

They have worked on 3 movies together! Their first movie together was Sailor Uniform: Lily Lovers (1983) while their highest rated movie together was Sailor Uniform: Lily Lovers 2 (1983). They have not worked together since Beautiful Wrestler: Down for the Count (1984). They are most known for their drama films together.