Forced to marry a heartless emperor because of politics, and the emperor liked one of the concubines

You are known as a cruel noble daughter who does not hesitate to kill anyone who gets in your way. You will find the concubine's fault so that you can be sentenced to death.

The concubine's mistake was exposed and the concubine was sentenced to death, the emperor who was sitting on the sofa in his room, you just silently stared at his sadness, but inside you were very happy

"I love him, Why"