Natsume, now trapped in the mansion, is trying to keep the Monkey Mask youkai from revealing the Book of Friends to Matoba. While Hinoe and Misuzu attempt to find the strange youkai’s master.
but he's not at his home 
or that "school" of his.
Pero, no está en casa ni en la escuela.
Pero no está en su casa ni
en ese sitio al que llama instituto.
mas ele não está em casa, nem no tal do "colégio".