"Shattered Mirror" Main Character

In my new book "Shattered Mirror" their is a character names Sarah, 1st of all this book is about Vampires and Witches. Sarah is a witch and she goes to highschool but one day she got into a fight and her mom moved her to a different school and that is where she meets these 2 kids named Christopher and Nissa they are brother and sister. They are vampires but there not really into the spirit of sucking blood out of people, only once in a while. Sarah hasn't told them that she is a witch because she is afraid that Christopher and Nissa are going to get angry at her or maybe even suck her blood for not telling them the truth before. What I think is going to happen next is that Sarah is goin to finally have the guts to tell Christopher and Nissa that she is a witch and their not going to do anything bad to her.