The Favorite of the Villainous Empress, the Sister of the Protagonist in the Opening Chamber of Secrets

An early villain in a fantasy novel that Li Mocheng read in his previous life, kidnapped the protagonist's sister at the beginning, completely offending the male protagonist. What should we do? Fortunately, the strongest villain system has been activated, the protagonist? It's just a plaything in the palm of your hand! The protagonist's sister, you don't want anything to happen to your parents, right? Protagonist's fiancée: Who is the protagonist? So unfamiliar! Brother Cheng, I still want to... Empress: Nichen, what are you going to do...