How many movies have Hideki Takayama and Toshio Maeda collaborated on?

They have worked on 6 movies together! Their first movie together was Urotsukidōji: Legend of the Overfiend (1989) while their highest rated movie together was Urotsukidōji III: Return of the Overfiend (1993). They have not worked together since Urotsukidōji V: The Final Chapter (1996). They are most known for their animation films together.