Sign in for Sixty Years: I Became Emperor Wu of the Great Zhou

In this extravagant era where rebirth and time travel have become a trend, Li Siyuan woke up and found that he was not spared and had joined the army of time travelers.

Others who traveled through time became young masters, princes, and holy sons.

And he...traveled through time and became a eunuch.

Don't be afraid, the system is here! With the system in hand, the world is mine! Keep a low profile, sign in to the library for sixty years, and you'll accidentally become the Emperor Wu of the Great Zhou!