Datang: Signed in for Seven Years and Was Exposed by Empress Changsun

Traveling to the Tang Dynasty, Li Hong became the owner of the Luohuang Mountain cottage.
Binding the god-level sign-in system, as long as you sign in in the cottage, you will get different rewards.
Sign in at the gate of the mountain and get [God-level Medical Skills]!
Sign in in the study room and get [Extreme Calligraphy]!
Sign in at the arsenal and get [Power of Overlord]!
So far, Li Hong has insisted on signing in in the cottage for seven years.
On this day, the eldest grandson of the mother-in-law world came in critical condition...