The Harlot: A Dark Regency Romance Novella, Book 1 of 3 - The Master and Marguerite, #1

That first love is sweet and naive, transcending the huge divide between aristocrat and villager. It could never survive outside their secret forest glade. Years later, life has hardened the bored Lord Ardery. Peg's life is at the mercy of the winds of fate, yet despite this, her one desire is to live life on her own terms. When he finds her again working in his own scullery, he tries to recapture their youthful passion and demands she become his mistress.
She learns the darker side of his desires, yet through it all, is determined to hold on to her dreams.