How many movies have Kazumi Akiyama and Toshihiko Oda collaborated on?

They have worked on 2 movies together! Their first movie together was Teenagers' Sex Journal '75 (1975) while their highest rated movie together was Tsumatachi no gogo wa yori: kannō no ori (1976). They have not worked together since Tsumatachi no gogo wa yori: kannō no ori (1976).