Great Chaebols of Sui and Tang Dynasties

"Am I a loser?!" "Of course not!! I'm just a man who controls money!" "The more money I spend, the stronger I am! The world is at my fingertips!" Guan Ning, who traveled to the Sui Dynasty with the system, said this. That year, Yang Guang was pretending to be his grandson, Li Shimin was breastfeeding, Dou Jiande was a wanted criminal, Du Fuwei and Fugong were organizing a robbery, Wang Shichong was dawdling in the Ministry of War... And Guan Ning had already started wandering in the land of fireworks in Yangzhou Prefecture...