In his previous life, he was an immortal, and he said he would take care of her all her life, but he could not love her. She said: "I will wait for you when I am in poverty and fall into the underworld." But in the end, she was thrown into the human world without any regrets.
In this life, he is determined to love and becomes the supreme leader of the demon world. The flowing water will eventually be merciless, but he still shines on the falling flowers.
Warm blood still flows through the broken heart. He is as weak as him, but he is willing to give his life for her. Will life and death leave a trace in her heart?