Song Ziyi, a high school student who has been living in Violet City in the south, moved to Luying Town in the north with her mother. Ziyi's unique temperament and urban atmosphere attracted the attention of the townspeople. After everything settled down, the appearance of the mysterious boy Guan Mucheng caused ripples in her heart. However, Guan Mucheng, who uncovered the human mask, turned out to be a heart-eating demon in the Grila family! Heart-eating demons are demons that eat people's hearts. The human heart is a fatal temptation for them. Like a flower that suddenly blooms, the appearance of love catches people off guard. A human heart, a demon heart, this bud of love not only represents a happy and romantic journey, but is also destined to represent the beginning of suffering and pain...