The Sickly Immortal King Is the Villain [Quick Travel]

Bai Yulou is the ultimate boss of the cultivation plane. He was accidentally suppressed by the protagonist in the secret realm outside the world. After three thousand years, Tiandao finally couldn't contain him any longer, so he anxiously contacted the Fast Travel Bureau and asked them to get him away as soon as possible. The next day, Mengxin System stumbled into the secret realm and saw a young man in white clothes standing under the tree. His black hair was like a waterfall, his lips were light-colored, and his figure was extremely thin. The scene when he raised his eyes when he coughed was like a fairy in a painting. Then, with a smile, he destroyed the sect that dared to bully his apprentice. System:……? ? ? ! ! ! - Xue Qingyan is the heroine in a certain cultivation novel. She is a beloved junior sister in the sect, and she also has an immortal as her nominal master. However, on the day when the golden elixir was formed, she was locked into a secret room by the master. It turned out that her blood and flesh could be used as a holy medicine for cultivation. She hates it so much. A thought turned into a demon, and she hid the demonic energy in it, quietly waiting for the day when these hypocrites would be completely corroded. - Suddenly one day, everyone's memories were replaced unknowingly, and no one noticed that the Immortal of this sect had turned into another person. There were footsteps outside the secret room. Xue Qingyan slowly looked up and saw a familiar yet unfamiliar face. She hesitated and said: "... Master?" Bai Yulou looked at the little girl who had a similar experience to him back then, his eyes were deep, and he suddenly responded with a smile: "I'm here." From now on, Xue Qingyan's master is him, and it can only be him. [Master-disciple story, sickly villain vs. Darkened heroine] Intention: Love life and cherish those who love you.