Let You Pretend to Be the Prince and Bring Trouble to the Harem?

After traveling through time and becoming the prince's substitute, Jiang Chen endured the humiliation for three years. What he waited for was not freedom, but the death of the real prince who asked him to sleep with the prince's concubine! As long as the Crown Princess is pregnant with a child, his 90% similar substitute will be secretly executed without leaving even the bones! In a desperate situation, Jiang Chen backhandedly killed the prince and activated the [playing system]. The true prince's body was gone, and he became the only prince of Dayong! When others sign in, they are given money, and when they sign in, they are given magical powers! With a draw from the East Palace, you can get started with the royal family's secret art "The Blue Sky Is Not Easy", and any gaps in your identity can be repaired in an instant! Another sign, Cao Zhengchun, a third-level master, has arrived, the factory princess protects the master, and all the secret agents in the house have become ants! But the position of prince is never a comfortable place, but a mountain of swords and a sea of ​​blood. Crown Princess Ye Qingyu assassinated him for a blood feud with the Ye family. The emperor used an old case to test him. The kings were eyeing the position of crown prince, and the courtiers were waiting for the fall of the East Palace. Jiang Chen smiled: Acting, he is professional; killing, he also learns quickly! Fake identity? No one in the world dares to doubt his performance alone! No foundation? The famous ministers and generals from all over the world have signed up alone! No military power? He single-handedly overturns the case, collects the border troops, suppresses the court, and destroys the enemy country! In this life, Gu will not be a substitute or a chess piece. I want all the mountains and rivers in Dayong to recognize me as my master!