The Villainess and the Demon Knight

Synopsis

The Marquis' daughter, Cecilia, suddenly realized that she had been reincarnated into an otome game as the villainess! However, it was already too late for her to avoid condemnation. After her engagement was broken off, she was framed by the heroine and exiled, forced to become a prostitute to survive. Her first customer was the heroine’s childhood friend, the Deputy Captain of the Imperial Guards, Lucas Herbst, who was the strongest knight in the kingdom. The frightened Cecilia was ravished relentlessly only to wake up in the residence of the Duke the next morning. Moreover, a mark of vow has been tattooed on her abdomen, marking her as Lucas’s fiancéeー?! (Source: Ichijinsha, translated)