Shangqing Inheritance: My Taoist Companion Is the Female Spy in Red

Carrying the supreme immortal method "Shangqing Dadong Mantra" to travel through other worlds. Zhang Xuanying originally wanted to be invincible in the world. Unexpectedly, on the night when the Nascent Soul first came into being, a blood-red sedan blocked the door, and a beautiful and sickly woman in red insisted on paying homage to him. From then on, there was a touch of red beside the Immortal-Slaying Sword, and on his road to immortality, he also became entangled with a cold Taoist companion who he couldn't get rid of and didn't want to get rid of.