How many movies have Ryûji Ôizumi and Toshihiko Oda acted in together?

They have worked on 4 movies together! Their first movie together was Thirsty for Love (1971) while their highest rated movie together was Concubine Secrets: Tattoo Contest (1972). They have not worked together since Sex Report From a Female Private Detective: Housewife Prostitution (1973).