Based from comic with the same title.
Memoirs of Amorous Gentlemen (MAL) by Moyoco Anno (a.k.a. Hideaki’s wife)

Story
About the Pervert…
are people who know the true shape of their desires.
They have carefully traced those contours…
like a blind man using both hands to measure the shape…

In the early time of 20th era in Paris.Colette act in brothel without escape with coworker.
She had spent every day for satisfy the desires of the many customers.

For her, life is stuffy.
She feels only hope that by the time of tryst with lovely Leon.
But Colette don’t get feeling surely that he really loves her……

Women living strong in the closed paradise.and [Memoirs of amorous gentlemen] reveal desire of yourselves.
Love and desire are crossed, Welcome to the beautiful and mysterious castle.