My Three Wives Are Beautiful Vampires

Victor was a normal 21-year-old boy, he grew up in a loving family that helped him take care of himself knowing that he had a practically incurable disease, the RN null blood, he was the owner of a rare blood type...
But what Victor didn't know, is that this blood type was a delicacy in the supernatural world, creatures that fed on blood loved his blood type...
And that blood he hated would be the factor that would make Victor the greatest vampire of all ti