How many movies have Hikaru Osawa and Tomokazu Seki acted in together?

They have worked on 3 movies together! Their first movie together was Kamen Rider #1 (2016) while their highest rated movie together was Kamen Rider Heisei Generations: Dr. Pac-Man vs. Ex-Aid & Ghost with Legend Riders (2016). They have not worked together since Kamen Rider Heisei Generations: Dr. Pac-Man vs. Ex-Aid & Ghost with Legend Riders (2016). They are most known for their adventure films together.