CHANGING HER FATE: Becoming The Heroine of a Tragic Story

I am just a college student trying to pass a course but when admiration and pity for a story character took me directly to her world after my accidental death, things got really messed up. Why should I be the one playing her role? Will I go back if she dies...? Since I knew her story, should I try changing the course of her tragedy...? But where would that leave me...? Or should I just leave fate as it was supposed to be...? But that would mean death for me too, right...? I'm so confused!