She is a demon princess who has been lively and quirky since she was a child, but she has evil spirits.
He is the son of the Emperor of Heaven, has a cold and arrogant personality, and is very talented. He is the next emperor of the immortal world.
The two people, who were unrelated to each other and had nothing to do with each other, got entangled together by accident.
She said, "I will protect your life with my soul."
But he said, "But I am not him after all!"