The Protector and the Protected (Jacob Black x reader)

*This takes place after breaking dawn, and Jacob never imprinted on Renesmee, he sees her as a little sister)
Y/N, her dad, and her brother and sister move to Forks, Washington to get a feel of what her dad's old home state was like. Soon, she meets the Cullen's and the La Push people. Y/N thinks that this could help her escape her haunted past, full of violence and sorrow, when she soon becomes something that she feared she would become, something she faces only in her mind. Will she be able to win and have a happy life like she's always dreamed, or be destroyed and succumb to her demons and kill everything and everyone she loves? Who would help her in her battles?