The Monster Duke Was Fooled. I’m Terminally Ill.

It was supposed to be a happy marriage.

But at some point, her husband changed, and her family, who had sworn absolute loyalty to the royal family, were accused of treason.

Right before her death, Laila learned the whole truth, and when she opened her eyes, it was back to the happy times when nothing had happened…

To change the future, Laila secretly sent a marriage proposal to Julian Dukezan, the Grand Duke of the North, known as the Monster Duke, and Julian, who had difficulty marrying a noble lady, gladly took her hand.

“If you do your best, I will do my best as well.”

But even though it was clearly a contract marriage, this man is perfect in every way except for his appearance.

With new power in her hands, Laila seeks revenge from the past and aims to put her chosen prince on the throne. However, a dark conspiracy, which she was unaware of in the past, begins to reach out to her.

To make matters worse, her limited life due to a persistent curse from the past also catches up with her…