Saved by the bad boy

This story is about a girl named Tori. Tori has problems at school and her two best friends know about it. It's just that they think it has stopped, it has only gotten worse. until one day there is a new girl at school and it changes everything. The two girls go through a lot together. Until something happens. Who will be there for Tori after that? Will it be the last person she thinks it will be?