Shan Yun is the most noble princess in the world. One day, she accidentally discovers that she actually has the shadow of a dead soldier that only the legendary king can have. Shan Yun's shadow is the most handsome boy she has ever seen. The idea that has been instilled in the shadow since birth is to protect his master until death. But when Shan Yun discovered that her life experience was not simple, everything changed. She fell in love with that good-looking boy, but it was impossible for the two to be together. She just wanted to be willful for once, for herself, and to let her shadow be free...
Concept: Love is free