Immortal Fate Between Emperor and Empress

In the ancient and vast world of fog, a huge empire holds the key to power. The figures of warriors and immortals loom with mystery... A little female high school student died in an accident and was later reborn in another world. With her identity as an unloved good-for-nothing concubine in the palace, how can she survive with glory in a dangerous and ruthless world? Calmly and calmly, she shuttles between peerless emperors and demonic giants without saying a word. How can she transcend the entangled love disputes and the dangers of life and death, and embark on the long journey to immortality?