After Prince Guo was reborn, Zhen Huan became invincible

I am Prince Guo, Yunli, the seventeenth son of Emperor Kangxi. In my previous life, I was given a cup of poisoned wine by my closest brother, and died with hatred. In this life, I was reborn, and I came back with the system to take my wife. I must protect my Huan'er well. At the beginning, I became a husband and wife with my Huan'er, and I got pregnant with twins. In this life, I am not just a prince................................................. "Seventeenth brother, my country is entrusted to you, you must assist the fourth prince well." The emperor said to the regent Yunli with a weak breath. "Brother...