Time span: From the Kaiyuan era of the High Tang to modern-day 2023, and onward to the future year 2523, forming a closed loop across a thousand years.
Bronze mirror runes: The twelve bronze mirrors cast by the Imperial Household Department are actually "space-time anchors" that can connect different eras.
The mystery of the dragon veins: The "dragon veins" altered during the reign of Wu Zetian are actually a quantum entanglement network that influences the course of history.
The TY Project: In the future, humanity uses "space-time grafting" technology to interfere with history. The protagonist, Yu Chang'an, is the 37th experimental subject.
