Flame of Sin |Blue Exorcist| |Reader Insert|

There are three sides. The good, the evil, and the indifferent. Why are you always choosing which one you're on? You've never wanted to become an exorcist. You had no interest in it. Until you went to True Cross Academy, a place for aspiring exorcists, along with a troubling blue-haired boy. Can you guess who? Rin Ok...