How many movies have Hoshimachi Suisei and Inui Toko acted in together?

They have worked on 1 movie together! Their first movie together was Hoshimachi Suisei 1st Solo Live "STELLAR into the GALAXY" (2021) and was their highest rated movie together. They have not worked together since Hoshimachi Suisei 1st Solo Live "STELLAR into the GALAXY" (2021).