Signing in at the Royal Palace: the Empress Discovered That I Was a Fake Guard

Liang Zhu traveled to another world and became a personal guard in the Queen's palace. The first thing he did was to give her a bath? In this era of opportunity and danger, Liang Zhuhuo lives with fear and fear. Fortunately, he occasionally gets to sign in to the system, and then relies on the system to sign in to upgrade and become stronger, secretly pretending to be an old man.