The System Makes Me Slap You in the Face

Why does the Immortal Emperor, seated high above in his palace and ruling the cosmos, cover his face while looking around warily?

Why do soldiers facing off in armies of millions suddenly find a red handprint on their faces?

Why, as the founding emperor ascends the throne, does a guard draw his blade while the ruler says nothing, his face covered?

"Ding! I'm Xiao Qing, your face-slapping System's cheat assistant. Age: ???. Hobby: ripping off the Host."

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.