Light novel: https://www.readlightnovel.org/the-villainess-turns-the-hourglass Raws: https://newtoki95.com/webtoon/532874/%EC%95%85%EB%85%80%EB%8A%94-%EB%AA%A8%EB%9E%98%EC%8B%9C%EA%B3%84%EB%A5%BC-%EB%90%98%EB%8F%8C%EB%A6%B0%EB%8B%A4?toon=%EC%9D%BC%EB%B0%98%EC%9B%B9%ED%88%B0
The Villainess Reverses the Hourglass