How many movies have Etsuko Sumimoto and Yuichi Takahashi collaborated on?

They have worked on 3 movies together! Their first movie together was Macross Frontier: The False Songstress (2009) while their highest rated movie together was Macross Frontier: The Wings of Farewell (2011). They have not worked together since Macross Frontier: The Wings of Farewell (2011). They are most known for their science fiction films together.