Datang: Li Shimin and I Do Business Together

The protagonist Ding Rui was struck by lightning and transported to the Tang Dynasty. Fortunately, he had a krypton gold system. In order to make money to buy things in the system, Ding Rui started a business with Li Shimin, and he also cheated the aristocratic family from time to time. The pit family ran away when they heard his name. Ding Rui also relied on the materials in the system to help Datang move towards glory.