Bai She: Yuan qi

A young woman named Blanca, a white snake-demon, is saved by Xuan, a snake catcher, after losing her memories on a mission to assassinate a Daoist sorcerer. As they journey together, they develop feelings for each other, despite Blanca's initial reluctance. Along the way, they uncover her past and the secrets of the magical world, including the revelation that Blanca's sister is alive and searching for her. The two eventually find themselves at odds with the Dark General, who seeks to harness Blanca's power to achieve immortality.