The 11,000 Sexes (1975)

Original title: Les onze mille verges

A young bank officer ogles the girls in his office and goes home to his prim wife. After reading a book of erotic poems by Guillaume Appollinaire of the World War I era, he finds himself inside the adventures of the book, which are largely of an erotic nature. When he awakens the next morning, he is inspired to order his life in a more satisfactory manner.