Even after Camio reveals himself, William remains concerned only with his grades and tuition and tries to distance himself from the demons and their political war.  Unfortunately, he soon finds himself roped into another problem when the Headmaster asks him to find the source of a mysterious singing voice that's been disturbing students late at night.
That's got nothing to do 
with the person himself!
¡Eso no tiene nada que ver 
con la persona en cuestión!
¡Eso no tiene nada que ver 
con la persona en cuestión!
Ela não tem nada a 
ver com a pessoa em si!