Mysterious stranger(Yes, sir sequel)

(Do not have to read Yes, Sir to read this.) Twin sisters, Sabrina and Allison are different than most people. They're vampires, but they aren't blood suckers yet. They have to transform, but cannot do so until the age of 18. What happens when the transformation occur? Will something bad happen or will something good come out of it. Follow the twins through this ordeal and see what is to come in Mysterious stranger.