The Hexagram Starts from the Capital and Goes to the Demon Slayer Division

A generation of heavenly master Zhang Yun failed to survive the catastrophe, and his soul traveled to the Dayin Dynasty in another time and space and possessed an orphan named Ge Xue who was about to drown. This world looks like an ordinary ancient world, but in fact there are turbulent undercurrents, treacherous courts, and strife among aristocratic families.