How many movies have Kanta Otsuki and Yasuaki Uegaki collaborated on?

They have worked on 2 movies together! Their first movie together was Foreigner's Mistress Oman: Tempestuous Skin (1972) while their highest rated movie together was The Hotspring Resort Masseuse (1973). They have not worked together since The Hotspring Resort Masseuse (1973).