She is a loose immortal who wanders in the human world, and a demon who wanders in the heaven. She is cold and ruthless, but she has developed feelings for him. He was the demon who lingered around her. For him, he changed his life and became an immortal. He stayed with her for thousands of years. In the end, he couldn't hold on anymore and was punished and became a human. However, he still fell in love with her at first sight and then again.
Intention: If you persist, you will get what you want