She was born in a small village five thousand years ago. She could have lived an ordinary life like other children in the village, but she was possessed by the blood wolf, the king of demons who broke free from the seal. She took the place of the blood wolf and ruled the monsters in every corner of the world. Until one day, she suddenly discovered to her horror that she would always look eighteen years old, which meant that she would never grow old! Time passed by, and the years changed, but she could only watch her relatives around her grow old and die one by one, but she had nothing to do. She lived alone for thousands of years. Suddenly one day, she was told by the elders of the clan that she should take back the demon elixir that the blood wolf had sealed by a human demon hunter ten thousand years ago. The only way to regain the demon elixir was to use the demon clan's forbidden technique to go back to the past and kill the demon hunter on the spot. However, unexpectedly, something went wrong along the way and she entered an inexplicable space...