After the Marriage, I Will Be the Tyrant.

The married princess Tang Yuwu was locked in the courtyard by the third prince Si Teng, and everyone was waiting to see how she died. It wasn't until the enemy's iron cavalry approached the city that he stretched out his hand to her in his dragon robe: "Wu'er, come, my position as queen is only for you." She was shocked to realize that he had started this situation fifteen years ago. "I killed the people you wanted me to kill." "I stole the country you wanted me to steal." "Si Chen, it's your turn now."