Natsume Yuujinchou OVA which will be aired on 5th February 2014.

The Blu-ray & DVD package will also includes the Chapter ~ SOUND THEATRE x Natsume's Book of Friends ~ gathering sound play which was held on September 28.
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Natsume takes a walk to enjoy the first winter snow and happens upon a snow-woman youkai searching for something she's lost and but can't seem to remember. While she causes anything she touches to freeze and it’s unclear what she’s looking for, he decides to help her search.<br><br>(Source: ANN)