Title：Kagi Year：1974 Genre：Comedy / Drama Language：Japanese Country：Japan Director：Tatsumi Kumashiro Writer：Tatsumi Kumashiro / Jun'ichirô Tanizaki Actors：Yuki Aresa / Hideo Kanze / Tokuko Watanabe Plot：An elderly college professor wants to bring the joys of sex to his wife. He bribes his son in law to shag her because it makes him jealous and he can perform better. He keeps a journal of his fantasies in a locked cupboard, hence the title, and hopes that his wife will find the key and read it.
