House of Marionne (US)

From New York Times bestselling author J. Elle comes a modern-day YA romantic fantasy series opener about a glamorous magical world of social elites, forbidden love, and a dark magic that could destroy it all. A must-read for fans of Leigh Bardugo, Sarah J. Maas, and Bridgerton.

17 year-old Quell has lived her entire life on the run. She and her mother have fled from city to city, in order to hide the deadly magic that flows through Quell’s veins. 
Until someone discovers her dark secret.
To hide from the assassin hunting her, and keep her mother out of harm’s way, Quell reluctantly inducts into a debutante society of magical social elites called the Order that she never knew existed. If she can pass their three rites of membership, mastering their proper form of magic, she’ll be able to secretly bury her forbidden magic forever. If caught, she will be killed.
But becoming the perfect debutante is a lot harder than Quell imagined, especially when there’s more than tutoring happening with Jordan, her brooding mentor and— assassin in training.When Quell uncovers the deadly lengths the Order will go to defend its wealth and power, she’s forced to choose: embrace the dark magic she’s been running from her entire life or risk losing everything, and everyone, she’s grown to love.