Yangzi, a high school girl with blood-red hair, wanted to be a good student and be recognized by the people around her. However, behind her peaceful and peaceful life was deep repression and concealment, and nightmares every night brought her endless troubles and pain. One day, a blond man came to her and took her into another world, a place full of unknowns but like her hometown. There were twelve countries, and twelve kings were selected by twelve unicorns. The unicorns were born in the Lost Wood. They obeyed the will of heaven to select people with kingly aura, and then assisted the king in governing the country as a taifu. When the king lost his way, the unicorn would get the disease of losing his way and eventually die. The blond man who took Yangzi away was the unicorn of Qing State. He believed that Yangzi was the king and swore allegiance to her until death. Yangzi's world has changed dramatically. After hardships and inner struggles, she finally stood on the throne tower to accept the heaven's pardon and became King Jing!