Duke Orpheus Nemes is a well-known vampire in the world of vampire royalty. Despite his coming of age, like many other vampires, he attends an all-male vampire academy. Orpheus is a charming, calm and intelligent vampire with very high standards. Orpheus is a model student, although he enjoys breaking the rules from time to time, and since he is very powerful, no one hardly ever says anything to him. Orpheus has two dear friends, Alucard and Isaac, who are the opposite of each other.