Natsume receives a letter from Matoba, an exorcist whom he's had unpleasant dealings with in the past. The world of exorcists is a dangerous place lately, and Matoba wants Natsume's help. Natsume wants to refuse, but Matoba threatens to reveal Natsume's powers to his adopted family, which would spell the end of his peaceful life.
Testing their strength and 
showing off their skills.
También hay exorcistas
que hacen malas demostraciones.
Então tem exorcistas que fazem isso
só pra testar suas habilidades?