Natsume is at home early one evening when he hears a knock on the door.  He sees Tohko outside, asking to be let in.  But when he opens the door, there's nobody there, and a gust of wind rushes past.  Another Youkai is after the book of friends!
with a rock placed on it to keep 
the wind from blowing it away.
com uma pedra que impedia que o vento a levasse.