Blood-Weeping Rose

"A poor girl becomes a blood servant to a vampire duke in order to save her sister. They fall into a forbidden love. Under family pressure, the duke gets engaged to an aristocratic lady. Heartbroken, the girl fakes her death and escapes. When the duke discovers the truth, he goes mad with regret, forcibly takes her back, and marries her. The jealous fiancée tries to assassinate the girl, but the duke takes a silver blade for her, suffering a fatal wound. Finally, the girl lets go of her pain and uses her special bloodline to save him. Together, they break through bloodline prejudice and live happily ever after. A story of a rose that bled for love—and the vampire who learned to love her in return."