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.
I'm pretty knowledgeable when it 
comes to demons, fairies, and tea...
Pensar que sé bastante sobre hadas
 y sobre las hojas del té...
Y pensar que sé tanto sobre hadas
y sobre las hojas del té...
Se bem que sou um grande conhecedor 
quando trata-se de demônios, fadas e chá.