Signed in for 60 Years: I Became the Great Zhou Martial Emperor

In this extravagant era where transmigration and reincarnation have become a trend, Li Siyuan woke up to find that he, too, had not been spared and had joined the transmigration army.

Others transmigrate as young masters, princes, or holy sons. But he... actually transmigrated as an eunuch.

No fear, the system has arrived! With the system in hand, the world is his! Developing discreetly, signing in at the Imperial Library for sixty years, he inadvertently became the Great Zhou Martial Emperor!