Rewind

In a world where supernatural beings are known lives a young girl who is part vampire and part shape-shifter, she has to do everything in her power to change the destiny of the whole world, she won't be doing it on her own though she makes friends along with her way who will be there to help her. If she is to fail she has to restart and literally she could be thrown back minutes hours or days in the past to undo the mistake.
(mature tag on for language and future fighting scenes)