The Ducal Family's Poisonous Flower summary: You are reading The Ducal Family's Poisonous Flower manga, one of the most popular manga covering in Webtoons, Shoujo, Fantasy, Romance genres, written by 籍火文化 at MangaBuddy, a top manga site to offering for free. The Ducal Family's Poisonous Flower has 56 translated chapters and translations of other chapters are in progress. Lets enjoy. If you want to get the updates about latest chapters, lets create an account and add The Ducal Family's Poisonous Flower to your bookmark. Lily Roland, the daughter of Duke Roland, stumbled upon her fianc and her illegitimate sister having an affair! She was poisoned by the two people whom she grew up with, and thrown into the wilderness.When her life was hanging by a thread, she was saved by a monstrous creature that had a body of a human, but a head of a beast, who turned out to be the Crown Prince, Isaac Stewart.Isaac was cursed by a mysterious witch to turn into a bloodthirsty monster on the night when the moon is full, and Lily's blood is his only antidote!Isaac decides to help Lily in her revenge, but in exchange, she must marry him and assist him in lifting the curse.+