How many movies have Hiroki Aiba and Keisuke Sohma acted in together?

They have worked on 4 movies together! Their first movie together was Samurai Sentai Shinkenger vs. Go-Onger: Silver Screen BANG!! (2010) while their highest rated movie together was Tensou Sentai Goseiger vs Shinkenger: Epic on the Silver Screen (2011). They have not worked together since Tensou Sentai Goseiger vs Shinkenger: Epic on the Silver Screen (2011). They are most known for their adventure films together.