Natsume is jumped by a group of Youkai trying to steal the Book of Friends for their master. Once captured, Natsume discovers that an old problem is back in a big way.
We can use it to make many youkai obey us.
Con ese libro podemos controlar 
a muchos youkai, ¿verdad?
Con ese libro podemos controlar 
a muchos youkai, ¿verdad?
Vamos usá-lo para forçar 
os youkai a nos obedecer.