Deadly Nightshade (r18+)

Read manhwa Deadly Nightshade
Once a queen, now an assassin. Burned and cursed, she rose from the ashes of her fallen kingdom to exact revenge on those who betrayed her. No one was spared, not even the former allies who had turned their backs on her in her time of need. But her quest for vengeance isn’t over yet. With just one target left—the powerful Lord of the Winter Court—she faces her most dangerous adversary yet. He is handsome, charismatic, and cunning, and she finds herself drawn to him despite her burning hatred. Will she be able to resist his seductive charms and complete her mission, or will her blackened heart be conquered by the very man she seeks to destroy?