Li Ran, a selector of the historical obsession system, was voluntarily thrown into the prosperous Kaiyuan era in order to pursue true love that was drawn into the vortex of time and space, and to reverse the biggest regret in Chinese history. He doesn't care about coming back after all the gold is gone, he doesn't care about killing a person in ten steps and not leaving a thousand miles, but Yuyang Jigugu, who comes just to eliminate bait and move the earth, will keep this prosperous Tang Dynasty and create peace for all generations. He is the sharpest sword in the prosperous Tang Dynasty.
