How many movies have Hideo Takayashiki and Takeshi Aono collaborated on?

They have worked on 3 movies together! Their first movie together was There Goes Our Hero: The Heat of the Pennant Race (1980) while their highest rated movie together was Barefoot Gen 2 (1986). They have not worked together since Barefoot Gen 2 (1986). They are most known for their animation films together.