, let me recommend you a few secret agent transmigration fantasy novels: 1. " Heretic Doctor: The Black Beast King's Useless Concubine "-The main character was a special agent Heretic Doctor. After transmigrating, she changed her fate and became the Defiant Poison Concubine. 2. " Special Agent Owl Doctor: Poison Concubine Rage to Heaven "-The protagonist was a special agent Owl Doctor. After rebirth, he grew up against the natural order and became the counterattack story of the world's poison concubine. 3. " The Loser's Counterattack: The Medical Concubine's Poison Domination "-The protagonist is a top-notch agent of the modern world. After transmigrating, he opens the path of defying the heavens and the story of peerless cultivation talent begins. I hope you like the above recommendations. If you need other types of novels, feel free to let me know.๐~