The Demon King of the Clear River Comes to the World

When she was born, she was regarded as a strange child. He fled to the South Kingdom, but due to the arrival of the Demon King, the world fell into chaos and darkness. The six realms are in chaos and the boundaries cannot be distinguished. The Demon Lord kills everyone and vows to rule the world. But because she lost a thousand years of cultivation, she could only live in her brother's body. Time flies, and getting along day and night for more than ten years has released the memories that had been sealed in the previous life...