How many movies have Sakurako Okubo and Tetsuji Sakakibara acted in together?

They have worked on 7 movies together! Their first movie together was Doubutsu Sentai Zyuohger vs. Ninninger the Movie: Super Sentai's Message from the Future (2017) while their highest rated movie together was Uchuu Sentai Kyuranger: Episode of Stinger (2017). They have not worked together since Lupinranger vs Patranger vs Kyuranger (2019). They are most known for their science fiction films together.