[AI BL] Hold On, My Pureblood Arch-Nemesis Wants Me?!

Oliver, a stubborn Commonblood, joins the Vampire Council to pay for his sick sister’s treatment. There, he clashes with Cassius—the powerful Pureblood President he sees as an arrogant playboy.Worse, Oliver is convinced Cassius is after his sister. But the more Oliver tries to keep them apart, the closer Cassius gets to him. Between constant bickering, a forbidden Blood Pact, forced cohabitation, jealous misunderstandings, and almost-kisses, their rivalry starts turning into something far more dangerous. Oliver just hasn’t realized the truth yet: Cassius never wanted his sister. He’s only ever wanted Oliver.