I was born to become a demon, but I died because of you.
There are rumors in the world that Su Shaoyin of Qingyi Valley not only inherited her master's superb medical skills, but also has a magnificent appearance, elegant and cold temperament, just like a Biluo fairy. And the romantic anecdotes between her and the lord of Xili City are even more praised by people in the world.
When she was sixteen years old, she was entrusted by her master's old friend to go to Xili City to treat the city lord Jiang Yiyuan's chronic illness. However, she unexpectedly developed some inexplicable feelings for him...
At the same time, Jiang Yiyuan discovered that Su Shaoyin could play the Mu Yao Bone Piano, and began to ask the largest intelligence organization, Qianmei Tower, to investigate her origins...
What kind of grudges will there be between him and her?
When she dies holding the magic sword that everyone in the world wants, will she lose herself and become a demon?
If the host dies, Anjia will be destroyed; if the host lives, a thought will turn him into a demon.