The Vampire Prince and the Sacrificial Bride

After the death of her parents, Ahn Myeong-rin, the daughter of a famous family, took her sickly brother hostage and was taken over by a separate family and oppressed. In short, Akiyuki, the daughter of the branch family, decides to become engaged to the third prince, Rokutenya, instead of Meirin. However, Tenga's true identity is a hated vampire...!? What awaits the unfortunate girl is the favor of a vampire who is stubborn for a reason! ? A court love fantasy that begins with a contract marriage!