Natsume overhears whispers that a powerful youkai is reviving, later that evening he is trapped in a bottle as an offering.  Humans can’t see or hear him, so Nyanko-sensei decides to help the “best” way he can…
I guess we're lucky that 
they'll be home late tomorrow.
El hecho de que mañana no 
estarán ha sido la salvación.
Que mañana no vayan a estar nos viene muy bien.
Nossa sorte é que eles vão chegar tarde amanhã.