Natsume is, as usual, being chased through some woods by a youkai, in an attempt to get the book of friends, the youkai runs Natsume off a small cliff. He knows that he and the book of friends were going to be caught but they aren't. Natsume's arch enemy and 'one night stand' lover Matoba Seiji comes to his rescue, although he passes out from his injuries and is captured again by the matoba clan of exorcists, what is natsume going to do?