How many movies have Daisuke Namikawa and Sho Aikawa collaborated on?

They have worked on 2 movies together! Their first movie together was Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams (2015) while their highest rated movie together was Engine Sentai Go-Onger: 10 Years Grand Prix (2018). They have not worked together since Engine Sentai Go-Onger: 10 Years Grand Prix (2018).