Saving the Darkened Villainous Demon King [Book Transmigration]

Yu Wenxiu is the great villainous Demon King who destroys the world in the novel. On this continent, people of mixed demon blood are the lowest of the low. Yu Wenxiu carries demon blood, and throughout his youth he was ordered around and beaten, disfigured and crippled, and subjected to endless humiliation, nearly dying in the process. After dying and coming back to life one time, Yu Wenxiu turned evil. He awakened his ancient demon bloodline, opened the stronghold of demonic energy, slaughtered human cities, and became the terrifying final boss of the story. That is the character biography of Yu Wenxiu, the villainous Demon King, in the novel. Rong Xuexi transmigrates into the world of the book and discovers that the Demon King has yet to awaken his powers and the world has not been destroyed. There is still time to turn things around. On her first day after transmigrating, Rong Xuexi says, "I need to find the Demon King before he turns evil and save the world." On her seventh day, Rong Xuexi says, "All demonfolk have it just as bad. There's no way to tell which one was the Demon King as a boy. Let the world be destroyed. I'm tired. Can we hurry it up?" Rong Xuexi has a habit of building shelters for demonfolk. This time, she takes in a demon boy who is on the verge of death. She gives him water and food, wraps him in a warm little blanket, and quietly tells him a secret. Rong Xuexi: "The Demon King is about to awaken. He's going to destroy the whole world." Yu Wenxiu: "Who?! Who's going to kill you?" Rong Xuexi: "Sigh, I heard his name is Yu Wenxiu. I hope he'll put up a notice before destroying the world, so at least everyone can prepare themselves." Yu Wenxiu: "???" How did he not know about this himself? Rong Xuexi doesn't know that the Demon King would never devour her. He would rather cut off his own horns and scales and tear off his wings than hurt even one of her little fingers. All he wants is to wrap Rong Xuexi in the softest silk in the world, feed her all kinds of delicious food, and gently kiss her soft cheek. Just as the girl who saved his life on that cold winter day once did for him. He conquers the world to make it the way she hopes it will be. A pitiful boy who turns evil early on, then an outrageously powerful big shot later, as the male lead x a healing heroine A sweet, comforting romance with no angst, and they save the world by falling in love. Note added 2020.05.08. Screenshot saved. Theme: Respect every person's individuality.