How many movies have Keisuke Sohma and Mikiho Niwa acted in together?

They have worked on 3 movies together! Their first movie together was Samurai Sentai Shinkenger vs. Go-Onger: Silver Screen BANG!! (2010) while their highest rated movie together was Gokaiger Goseiger Super Sentai 199 Hero Great Battle (2011). They have not worked together since Gokaiger Goseiger Super Sentai 199 Hero Great Battle (2011). They are most known for their adventure films together.