(It's canon to the chinese drama with the same name.Tian Jing Zhi is human,and Xue Ling Qiao is a mutant.Tian Jing Zhi let Xue Ling Qiao stay in her house.Xue Ling Qiao woke up after being uncoucious for centuries and accidentally saw as Tian Jing Zhi got into a car crash and was about to die.He quickly saved her by feeding her his special blood through a kiss.They are not exactly in love.) Tian Jing Zhi came back from work and saw Xue Ling Qiao right in front of her. (You're Tian Jing Zhi.)