How many movies have Yutaka Tsunoda and Yōichi Shiga collaborated on?

They have worked on 3 movies together! Their first movie together was Nurse Girls' Dorm: Shamed Angel (1987) while their highest rated movie together was Welcome to the Ogenki Clinic: Feel Good All Over Again (1988). They have not worked together since Welcome to the Ogenki Clinic: Feel Good All Over Again (1988). They are most known for their drama films together.