How many movies have Sachi Hamano and Yoshikazu Katō collaborated on?

They have worked on 30 movies together! Their first movie together was Ojôsan wa shirumamire (1995) while their highest rated movie together was Gibo no onanii: Hatsujô roshutsu (1997). They have not worked together since Sexual Harassment Female Boss: Pantyhose Sexual Torture (2010). They are most known for their drama films together.