Corrupted By the Wicked Duke by Scarlett Osborne

“I may be a brute, but you are the one begging me, my lady…”

Born a commoner, Duke Thomas despises the ton. So when that little vixen, Lady Frances, approaches his sister, he knows she must have some ulterior motive…
Francis was ecstatic to find a new friend in the Duke’s sister. If only His Grace would stop glaring at her, every time she visits. Making her shiver with a most confusing need…
Desperate to get it out of her system, Francis proposes a deal: She will give him etiquette lessons… and he will teach her what it means to be a woman. A woman Thomas cannot resist ravishing completely…