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.
but you're just average, ordinary demons!
pero no son más que demonios normales!
pero no sois más que demonios cualesquiera!
mas não passam de demônios
 medianos e ordinários!