Dragon Lady’s Covenant: My Men Are All S-Rank

Synopsis

Vera sacrificed her dragon vein to save her sister, only to be betrayed, crippled, and left for dead. Dying, she awakens a system that makes her stronger with every man she beds. The three condemned slaves she rescues, a fallen angel, a vampire, and a werewolf, are secretly S-Rank. Now her enemies will pay, and Vera will rise as Dragon Empress.