In the smoke of war, the human territory was devoured by giant dragons, eroding the entire human race until only a pure continent was left. However, the dragon clan seemed not satisfied, and seemed to want to plunder even the last piece of human pure land.
The greedy dragons still slaughter humans. In their eyes, the dragons are the highest bloodline. Just when humans are dying, the battle has been settled by a little girl. The human beings who should have been exterminated by the dragons also survive.