Forever Doesn't Last

Sephina and Brayllin aren't your
average twins. They can kill you in the blink of an eye but they still have much to discover about themselves. They have a gang of mythical creatures. They're both demon and vampire. Born to the Demon hierarchy with their uncle as the monarch. He doesn't have a heir so they're both next in line. There's no competition. Neither of them want it. Or do they? They're uncle is one of the most powerful creatures. Who wouldn't want all that power? The twins think they've got it all figured out but what happens when one changes their mind. She betrays her friends leaving them wondering one question: Whose side is she on?( OK, I'm not really good with descriptions, you'll just have to read the book)
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He looked at me with eyes of love, Gently tucking a loose strand of hair behind my ear. " I love you" was the final words he said before walking to his car and driving off. I don't understand why he loves me. I'm not pretty nor kind- hearted. He says that I must do what I think is right. But what if what I think is right means risking his life for the sake of mine. He tells me " Follow your heart",but I have no heart to follow. He tells that I'm not evil. Now, that's a lie. He hasn't seen evil yet and I plan on giving him a front row ticket for when I kill every single living soul.......
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Mythical creatures which will be mentioned in this book:
Vampires
Werewolves
Witches
Angels and Demons