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…
Oh, and tomorrow we'll be 
a little late coming home.
Por cierto, mañana
Es verdad, mañana...
Ah, amanhã vamos chegar um pouco mais tarde.