The relationship between two lifetimes, the entanglement of three people, the helplessness of Yin and Yang, and the creation of the universe. At the age of twenty, when I was forced to marry, my husband was not human? Calling me mother's child was only a pawn that dragged me into hell? "I've never had any heart." Anyone who hated someone could fall deeply in love with someone. I tried my best to leave that gloomy Underworld. "The ends of the earth. Don't even think about escaping."