The Young Elites by Marie Lu

Set in a Renaissance-inspired world, the story follows Adelina Amouteru, a survivor of a deadly blood fever that left her with mysterious powers and a marked appearance. As she grapples with her newfound abilities and the societal rejection of those like her, known as the Young Elites, Adelina is drawn into a secretive group of similarly gifted individuals. Struggling with her dark impulses and the desire for acceptance, she navigates a treacherous path of power, betrayal, and self-discovery, ultimately questioning the nature of good and evil in a world that fears and hunts her kind.