The duke's daughter, Claudia, was supposed to be the fiancée of the crown prince. Unfortunately, her half-sister, Fermina schemes and had her sold off to a brothel. She struggled and fought her way to the top at the brothel, but ended up dying from an illness. Except, that when she opened her eyes, she realized that she had gone back in time.

An exhilarating romantic fantasy about a duke's daughter, a former prostitute, controlling the poison within evil, this is the physical copy of the The Condemned Villainess Goes Back in Time and Aims to Become the Ultimate Villain manhwa.