Reborn, I Became My Rival's Frail White Moonlight

Blurb: Luo Qingyu is the human form taken by a Thousand-Feather Snow Lotus. His blood can be used as medicine, with the power to bring the dead back to life and restore flesh to bare bones. His beloved is Fang Shiyao, a descendant of fox demons. Unfortunately, she has already given her heart to Shen Junheng, a rising star of the Dao Alliance. Luo Qingyu chooses to bless them and bring them together, willingly helping someone else marry the one he loves. When Shen Junheng is struck by a deadly poison, Luo Qingyu doesn't want his beloved to risk her life searching for an antidote, so he gives Shen Junheng his heart's blood to cure him, exhausting his own life in the process. Before his consciousness fades, he asks Shen Junheng to take good care of the one he loves. Who knows how many years later, Luo Qingyu is suddenly awakened by the Main God: The world is about to collapse. Go save it. As it turns out, this world is a novel written by the Main God. After the two protagonists were thrown off course by him, they had long since become strangers. Shen Junheng has gone from a paragon of the righteous path to a Demon Lord, making blood puppets in order to resurrect Luo Qingyu. Fang Shiyao has lost her way and cast aside her good intentions. She now moves among the demon world's black markets, making medicine with forbidden arts. For the sake of his beloved, Luo Qingyu decides to go back and take a look. After being reborn: The Demon Lord Shen Junheng's eyes turn red. “I've seen plenty of replacements. You look the most like him.” Luo Qingyu: Face blindness is a medical condition. The beloved Fang Shiyao, now a scheming black-hearted beauty, can barely hide her excitement. “I want to see how long you can hold out against all the malice in this world before it crushes you.” Luo Qingyu: ?? The obsessive Ghost King Song Zhiyi schemes to wring every last bit of value from him. “Let's use your body to bring Brother Wanji back to life.” Luo Qingyu: Who's calling out my secret identity? Luo Qingyu: Main God, you were right. There really is something wrong with this world.