[Ancient Drought] + [Multiple Female Protagonists] + [Vengeance Must Be Revenged] + [Black-Bellied] + [Ancient Hegemony]

Jiang Tian traveled to the Great Xia Dynasty and encountered a drought that had lasted for many years at the beginning. In order to pray for rain from the Dragon King, the county magistrate was going to sacrifice a pair of twin sisters to the Dragon King. Jiang Tian, who had the system, rescued the twin sisters.

He farmed and fought for supremacy, and was invincible all the way. Even the empress looked at him with admiration and was willing to give up the throne for him.

Jiang Tian was declared emperor and unified the country.