I'm not sure of the title of the novel you're referring to. However, according to the information you provided, I can try to help you find some similar novels. If the female protagonist's surname is Kou, her mother's surname is Fang, and her father is the disciple of the female protagonist's grandfather, married the female protagonist's mother, and inherited the Fang family's business (Fang family's food), then I can try to find some novels that are similar to the information you provided. Here are a few possible novel recommendations: 1 "The Poisonous Daughter of a Concubine"-Bu Yue Ru Ge: The female protagonist of this novel is surnamed Kou. Her mother is the heir of the Fang family's property, and her father is the disciple of the female protagonist's grandfather. 2 "Hua Qian Gu"- Fresh Guoguo: The female protagonist of this novel is surnamed Kou. Her mother is the heir of the Fang family's property, and her father is the apprentice of the female protagonist's grandfather. 3."Palace Heart Locking Jade"-Power: The female protagonist of this novel is surnamed Kou. Her mother is the heir of the Fang family's property, and her father is the apprentice of the female protagonist's grandfather. I hope these recommendations can help you find the novel you want.