Her Royal Highness Is the Real Villain

Yan Suisui slipped into the book and became a princess by slipping into a stock buying article. However, this princess is of no use. Because she is just cannon fodder in the book. According to the book, her heart has healing powers. So the male protagonist in the book wants to win her heart. The vampire count needs her heart to improve the purity of his bloodline. The mermaid prince needs his heart to heal his sweetheart. The Demon King needs her heart to complete the bet. ### Yan Suisui went through the book, and after passing through the book, he was bound to a system that was pretty cool but talked a lot. The system told Yan Suisui that if she wanted to go back, she needed to find three things. These three things are the vampire's fangs, the mermaid's tears, and the devil's blood. Yan Suisui is gearing up, Wow, isn't this a coincidence! The intention is to use the other person's way to repay the other person's body.