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…
This bottle can only be opened 
by its owner, it seems.
Al parecer este frasco no lo puede abrir 
otra persona que no sea su dueño.
Al parecer este frasco sólo puede abrirlo su dueño.
Parece que só o dono da garrafa é capaz de abri-la.