When Aria’s lowborn mother married a count, she enjoyed a luxurious life while harassing her gentle stepsister Mielle. Several years later, just as she is about to be executed for her crimes, Mielle reveals that she wickedly tricked her into becoming a villainess. As Aria desperately wishes she could change her fate, she sees a mysterious hourglass that took her back to the past. Now, Aria decided to become a real villainess and bring Mielle down. Can she take everything from Mielle or will her actions change the future in ways she couldn’t imagine?