This is a magical world where humans and demons coexist. Demons never age, suffer, or die. Various demons have various characteristics of demons (for example, cat demons prefer round things that roll around), but demons are very rare and mostly live in seclusion in the mountains and forests, fearing to be infected with worldly affections. Zhou Zifeng is a cat demon who met Gu Changming when he was a boy. The two fell in love at first sight, but human lifespan is limited, and in the end the two were separated by yin and yang. But Zhou Zifeng did not give up and planned to find Gu Changming again after he was reincarnated. A thousand years later, Zhou Zifeng met Gu Changming who was reincarnated as a dog demon under "special" circumstances. Zhou Zifeng began to pursue Gu Changming again...
Concept: Love can transcend time