I am a commoner, but I will lead the empress to unify the world

[No system + decisive killing + high IQ + funny + harem] The empress is going to select a man! Shen Changgong, who had just traveled through time a few days ago, wanted to live a life of luxury and debauchery and capture the beautiful and charming sister-in-law, but he was selected as a showman by the empress's subordinates and captured in the parade ground. In the huge parade ground, a thousand showmen are like fighting beasts. The one who survives will win the favor of the empress and become the emperor's husband. From the concubine to the general, from the commoner to the regent! Since the rich are drunk and stinking, there are frozen bones on the road. Then the streets will trample the bones of the nobles, and the gates will be hung with the heads of the powerful. He relied on his own ability to monopolize power, reform, and lead the Great Yan...