I'm playing tricks in Daqin

After transmigrating to become a notorious playboy, can he only be a secondary player who does all kinds of evil?
I don't!
Cough cough, let me briefly introduce, what is standing in front of you now is:
The guardian of the Great Qin Empire, the second father of the little prince of Qin, the good son of the prefect of Jiayue Province, and the richest man in the Canglong Continent.
The owner of the tiger and leopard cavalry, the most powerful cavalry in the mainland, the big boss of the Universal Chamber of Commerce, and Master Li who is proficient in all kinds of poetry and songs.
The real controller of Frustration Hall, the initiator of the destruction of Xuansuju, and the man behind the currency war.
Thunder chariot, peerless magic weapon, woodblock printing, inventor of armored warship.
Lin Ruoying, the courtesan of Qin State, Mingzhu, the female general of Jin State, Zhuge Tang Feier, the daughter of Tang State, and the husband of the current Empress Wu Huiniang, Li Wei!
This is a story of a walk-on who becomes the protagonist through hard work.