How many movies have Akio Otsuka and Naoki Kunishima acted in together?

They have worked on 3 movies together! Their first movie together was Doubutsu Sentai Zyuohger vs. Ninninger the Movie: Super Sentai's Message from the Future (2017) and was their highest rated movie together. They have not worked together since Lupinranger vs Patranger vs Kyuranger (2019). They are most known for their adventure films together.