How many movies have Akio Otsuka and Shinji Aramaki collaborated on?

They have worked on 3 movies together! Their first movie together was Genesis Surviver Gaiarth (1992) while their highest rated movie together was Halo Legends (2010). They have not worked together since Ghost in the Shell: SAC_2045 Sustainable War (2021). They are most known for their science fiction films together.