How many movies have Ichitaro Ai and Takenobu Mitsuyoshi collaborated on?

They have worked on 2 movies together! Their first movie together was "PSO" Series 15th Anniversary Concert "Sympathy 2015" Live Memorial (2016) and was their highest rated movie together. They have not worked together since LIVE SYMPATHY 2018 Phantasy Star Series 30th Anniversary (2018).