Zhang Junping inexplicably time-traveled and became the great-grandson of the founding general of the Song Dynasty, Zhang Lingduo. Zhang Junping, who lacked a sense of security, took time-traveling as a game and started his game life in the Northern Song Dynasty. Before he knew it, this Great Song Dynasty became different! Only then did Zhang Junping shout out, 'Damn it, I have ruined the Song Dynasty! This book is based on the premise of respecting history, moderate romance, please don't get entangled in some small problems.