After the Puppet Prince Was Reborn, the Civil and Military Affairs of the Entire Dynasty Became Really Fragrant.

Sheng Ruian, the prince in his previous life, died young due to illness, and his soul wandered in the palace for 20 years. After a miraculous rebirth, Sheng Ruian realized that he was just a pawn until the emperor chose his true heir. In order to protect his own life and wealth, he used his intelligence and memories of his previous life to make friends, be good at planning, and delegate power. Let's see how he and the people who love him successfully avoid traps and crises, and become the most suitable heir to the throne in the emperor's heart.