Mysterious Girl

Bianca Donovan is a 17 year old that is Bi Sexual and will forever be 17 because she is a Full Blooded Vampire.
She's starting fresh at a new high school and just wants to act like a normal teenager to fit in,
her diet she is on is to having animal blood instead of Human blood but she is finding it hard until someone kicks in and changes everything for her.
This person let's the inner bad Bianca release herself, is it good or is it bad?