One is the ancient god bred in the chaotic essence, and the other is the Yuanshi Celestial Demon bred in the chaotic turbid air. He transformed her ten-thousand-year-old demon soul, and he stayed with her for five thousand years. When he came out of seclusion, she disappeared. When they met again, she asked him: "Who are you? Have we met?" He replied: "Maybe we met in the previous life."