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.
You say you lived here for many years, 
milling grain with this water mill?
¿Así que pasaste muchos años 
moliendo grano en este molino?
¿Entonces pasaste muchos años
 moliendo grano en este molino?
Então você alega ter vivido aqui por muitos
 anos moendo grãos nesse moinho d'água?