New Dynasty: My Grandfather is the Time Traveler Wang Mang!

Who isn't a grandson? Traveling to the Great Xin Dynasty, Wang Zong finds himself about to be forced to commit suicide! And the one forcing him is his own grandfather—the "number one time traveler in history" Wang Mang! The "number one time traveler in history" wants to kill a real time traveler? Grandfather killing grandson? Fine, then don't blame me for "grandfatherly kindness and filial piety"! Since the Xin Dynasty is already on the verge of collapse, rather than letting that "Liu, the favored son of heaven, the great magician, Xiuer" take the world, I might as well turn the tables first...