How many movies have Tadashi Abiru and Yasuko Higuchi collaborated on?

They have worked on 3 movies together! Their first movie together was Afro Samurai: Resurrection (2009) while their highest rated movie together was Aria the Avvenire (2015). They have not worked together since That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (2022). They are most known for their animation films together.