How many movies have Jun Midorikawa and Kanji Amao collaborated on?

They have worked on 5 movies together! Their first movie together was Terrifying Girls' High School: Women's Violent Classroom (1972) while their highest rated movie together was Aesthetics of a Bullet (1973). They have not worked together since Terrifying Girls' High School: Lynch Law Classroom (1973). They are most known for their crime films together.