Because of her crazy love, she was exchanged for the ruthless sword, allowing her to travel to the 21st century and start her new life. When she started her new life, someone was slowly falling into her heart, but she didn't know anything. She only knew that she had changed in this century and became cruel and ruthless. But when she found out, it was already too late. He had already become a demon and left. She was very heartbroken and hated herself for not discovering it earlier. She decided to look for her and find him no matter how hard it was. On her way to find him, she met many friends, but also many monsters and ghosts, but she still did not give up. In the end, she went to find him, but was disheartened by his words. She hated herself very much, but his demonic nature was strong. She inserted a sword into his chest. He said something before he died, and she wished that he was not the only one who died. She roared at the sky, but her fate was like this...