Thousands of years ago, during the battle between immortals and demons, the nine-tailed fox Ziyan Huanwu was unfortunately killed. His elder brother Zi Yanchen used the body of the red-tailed fox to retain his sister Huanwu's soul, hiding it in the human world for thousands of years, just to awaken his only sister. Over the course of thousands of years, it has affected countless loves and hatreds.
Concept: Two male protagonists