Yan Yizhuo is the guardian of the Weiyang royal family and an onmyoji who lives as long as the country. He has a stunning appearance. He hates summer. He has royal family lineage. He is often accompanied by white foxes and green snakes. He has a calm temperament and has his own little temper. But this onmyoji has a name from the past that he does not want to mention. It is called - Su Beicheng, an evil man of unknown origin, or rather, a boy. After a hundred years, how did he meet him again? He was suppressing his people in his hometown. He held Luoxue in his hand and said cruelly, "Yan Yizhuo, you can call me Subei City, so I can wait." What is the past between the two of them? What kind of life trajectory will it take? In the wind and snow, will the hidden feelings burst out...