egafd.com

according to Behind the Bush, a BL pictorial biography(booket more-)
from Dominique Malacarne & Lucas Balbo(filmography)
it's Les plaisirs fous aka Encore plus(dir.by Georges Fleury)in 1976.

In her autobiography she says the director was an actor for the occasion and his initials were "A.K." As the director of Les plaisirs fous is Georges Fleury under the alias Jean Devilles something seems not to check.