How many movies have Takuya Sakurai and Yoshikazu Katō collaborated on?

They have worked on 4 movies together! Their first movie together was 悶絶上映 銀幕の巨乳 神咲詩織 桃宮もも (2017) while their highest rated movie together was Sakari sō: Maid-chan goyōshin (2018). They have not worked together since Chikan densha: Kuikomi yume (dream) match (2019).