Please recommend a novel in which the main character is very cold-blooded.

I recommend the following novels to you: "Prince Leng's Unrestrained Spoiling of His Wife: The Trash Little Demon Concubine","The Brutal Prince's Spoiling of His Cold-Blooded Wife","The Cold-Blooded Killer's Transmigration: The First-Grade Black-bellied Empress","The Bloody Demon Concubine: Your Highness, Don't be so cocky","The Regent Prince isn't going to sleep with me today again." The protagonists of these novels were very cold-blooded and left a deep impression on people. I hope you like my recommendation. Muah ~