How many movies have Hiroya Matsumoto and Yohei Onishi collaborated on?

They have worked on 2 movies together! Their first movie together was Super Hero Festival: Kamen Rider x Super Sentai Live & Show 2018 (2018) while their highest rated movie together was Mashin Sentai Kiramager Final Live Tour 2021 (2021). They have not worked together since Mashin Sentai Kiramager Final Live Tour 2021 (2021).