Five-year-old Ji Mingyue passes through the book and becomes the daughter of the demon lord Ji Fufeng. She learns that her father is a male partner who is crazy about love. In the original plot, she would go to the snowy mountains for the heroine Wen Yao and be assassinated and die tragically. In order to rewrite his father's tragedy, Xiao Mingyue acted coquettishly and blocked him hard, melting Ji Fufeng's paranoia with her pure innocence and passionate family affection. She disturbed her father's courtship and grew up with her brothers and sisters. She also made Ji Fufeng see the preciousness of family ties and get out of the love brain completely. In the end, Ji Fufeng put down his obsession and devoted himself to protecting his daughter. The father and daughter stayed together in the Demon Palace and gained a warm and stable happiness.