For no reason, he traveled to another world at his doorstep. Mo Yeqing, who was disguised as a ten-year-old beggar child, met the mysterious old woman Chen Wuxin. After six years of studying skills, she turned out to be the first queen in the world! ? What secret does the fire phoenix pattern on the back hide? By chance, he encounters a charming woman who transforms from a human into a demon and is also the master of the Black Fox of Yuhua Forest. She freely changes her gender and plays around in the world. She opens a small shop and looks for a "money tree". Who is Hua Yanqian who looks like a man and a woman? The lovable baby Ji Yuqing relies on her to call her mother, but the cold emperor Feng Yingze actually falls in love with her as a man? Yan Mei, the son of the dark night, "hunted" her everywhere... The mysterious man under the royal palace and the "dead" beautiful woman actually stayed together for thousands of years! And the lovely Ji Yuqing was actually created artificially? In order to save Ji Yuqing and the beautiful woman's soul, Mo Yeqing embarks on a journey to find the so-called "Four Kings" - the Qinglong Star. On the surface, it is gentle and handsome, but inside it is prone to anger and instability (but it is concealed very well). The White Tiger Star often deceives everyone with the watery eyes on the innocent Shota's face. In fact, the extremely evil White Tiger is originally intended to save all sentient beings. Why does the Suzaku Star indulge in darkness and subvert the world? Xuanwu Star - The evil and beautiful man separated his kindness and split it into another person (Xuan Zuo). Where will he go in the end? What is the secret on the fire phoenix pattern on the back and the ghost can who claims to be "the leader of the ghost clan"? Is traveling through another world a coincidence or a cycle of cause and effect?