How many movies have Kagetsu Aizawa and Youichi Oonishi collaborated on?

They have worked on 3 movies together! Their first movie together was Sailor Moon S the Movie: Hearts in Ice (1994) while their highest rated movie together was Sailor Moon SuperS: The Movie: Black Dream Hole (1995). They have not worked together since Dragon Ball: The Path to Power (1996). They are most known for their fantasy films together.