He died, and she didn't want to live. When she was reincarnated, in order to preserve her memories with him, she resolutely chose to become a rejected undead soul in the world. For thousands of years, she watched him pass by her again and again, but she couldn't see him because of his identity. After training hard for thousands of years, she finally became a powerful demon in the demon world. She could finally look for him. She followed his traces to the hunter world, but couldn't find him. What should she do?