The Namarielle (Chronicles of Lashai Book 1)

Only three people in the Kingdom of Lashai know that the youngest Namarielle survived the Midnight Revolution. Her Nanna, who has raised her in hiding, Elian, the Fontre who fell in love with her, and Devilan, the Fontre who tried to kill her. Fourteen years later, her hiding place discovered, Cassai is thrown into an unexpected fight for survival, and to save the kingdom she never knew she was born to rule.