How many movies have Mariko Yoshioka and Masahiro Kobayashi collaborated on?

They have worked on 1 movie together! Their first movie together was Lascivious Nurse Uniform Diary: Two or Three Times, While I'm Wet (1997) and was their highest rated movie together. They have not worked together since Lascivious Nurse Uniform Diary: Two or Three Times, While I'm Wet (1997).