How many movies have Runa Natsui and Yui Koike acted in together?

They have worked on 2 movies together! Their first movie together was Tensou Sentai Goseiger vs Shinkenger: Epic on the Silver Screen (2011) while their highest rated movie together was Tokumei Sentai Go-Busters vs. Kaizoku Sentai Gokaiger: The Movie (2013). They have not worked together since Tokumei Sentai Go-Busters vs. Kaizoku Sentai Gokaiger: The Movie (2013).