Who Calls Me a Fake Heiress Now?

Wren wakes up inside a mafia novel as the fake heiress fated to die once the real daughter returns. Determined to escape that ending, she changes the story by saving a prisoner, getting engaged to a gifted doctor, and securing the allies the heroine was supposed to have. Yet her cold adoptive brother also wants her, while assassins draw nearer and the true heiress turns to betrayal. Can Wren break the script and claim a future of her own?