Betrayed and executed by her own sister, Cecilia, the feared “Poison Princess,” is suddenly given a second chance at life. With the memories of her death still fresh, she swears revenge. Her first move is shocking, she buys the very knight who once killed her, now a broken slave named Daniel. “Help me take my revenge,” she commands, confronting the man who was once her executioner. Bound together by betrayal, poison, and a dark past, a dangerous and unpredictable relationship begins between the vengeful princess and her strongest slave. Will it end in hatred, in forgiveness, or in something far more unexpected? [Original Webtoon](https://ebookjapan.yahoo.co.jp/books/933687/) https://www.cmoa.jp/title/352013/

Lydia, a duchess who died a lonely death as an unloved wife, is given a second chance when she returns to the past immediately after her death. Betrayed by her family and unable to be with the childhood friend she loved, she had also believed that her husband, the serious and seemingly cold Duke Ethan, never loved her. Determined to avoid him this time, Lydia is surprised when Ethan, who had been distant in her previous life, becomes unusually attached to her. A regression romance about a neglected noblewoman rebuilding her life and a clumsy duke filled with regret and devotion. [Original Webtoon](https://www.comico.jp/comic/14233)