Yueon

“Shouldn’t we at least test whether you’re qualified to become a duchess?” Yuria, the daughter of a fallen baronial family, flees her abusive father and marries into the ducal House of Knohartz. However, the ones waiting for her are not the duke she is supposed to marry, but his two knights, Lucian and Kenneth. Under the two knights’ meticulously planned and systematic training, Yuria gradually begins to change… “Yuria, bite down on your skirt. I need to see just how wet you are.” Original Webtoon