I Broke into the Mistress at the Beginning, and the Devil Was by My Side.

[The body exchange system has been activated. [The exchange objects are randomly selected, including but not limited to the human race. [During the exchange period, the owner can control the exchanger's body at will and receive training bonuses. [After the exchange is over, the owner can obtain the results of the practice during the exchange period. [To protect the physical and mental health of the owner, the daily exchange time is four hours. [Trigger the exchanger's hidden strategy mission to get additional rewards. Li Nanxing: Participated in the internal beta test of the game and traveled through time to become an NPC in the game - a third-class domestic slave of the Duke of Wei. I wanted to practice secretly with the help of the system, but I accidentally discovered that the head of the Guogong Mansion turned out to be the leader of the Demon Sect, the villain BOSS in the game. And... She always thinks that I am an extraterrestrial demon who is about to rule this world. Ni Chang: Lord Demon God really didn't lie to me, everything he said came true!