How many movies have Ryusei Yokohama and Yui Horie acted in together?

They have worked on 4 movies together! Their first movie together was Ressha Sentai ToQger vs. Kamen Rider Gaim: Spring Break Combined Special (2014) while their highest rated movie together was Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams (2015). They have not worked together since Ressha Sentai ToQger Returns: Super ToQ #7 of Dreams (2015). They are most known for their fantasy films together.