Boyfriend's Best Friend

Teresa was a girl that no one notice. Then she met Carter she thought she was in love with until she was introduce to his best friend (Sasuke) she knew he was the one then Teresa and him became closer by the day she knew it was wrong to be in love with her boyfriends best friend but he under stood her and Carter just didn't .
Teresa goes through a lot in this book. But who will she end up with in the end.