The Villainess Turns the Hourglass follows the story of Aria Roscente, a prostitute’s daughter who was supposed to live a life of luxury following her mother’s marriage into the family of Count Roscente. However, she was consistently side-eyed, receiving a terrible reputation in noble society as a result of her stepsister Mielle’s efforts. Having been surrounded by hatred and envy for years, Aria eventually became a twisted and despised person, being executed in her twenties – only to suddenly be sent back in time around a decade. This begins her quest for revenge against Mielle and everyone else who wronged her.