How many movies have Kiyoshi Yoshikawa and Shinya Maruyama collaborated on?

They have worked on 4 movies together! Their first movie together was Ghost Writer's Homicide Coverage 2 - Writing About a Celebrity's Crime (2015) while their highest rated movie together was Kishiryu Sentai Ryusoulger VS Lupinranger VS Patranger (2020). They have not worked together since Kishiryu Sentai Ryusoulger VS Lupinranger VS Patranger (2020).