Title: A Day In the Life of Toshimori
Dubbed By: Viz Media, LLC

Plot Summary:
Toshimori’s classmates come to the Sumimura residence only to run rampant around the house. Frustrated with their behavior, Toshimori instinctively uses his Kekkai, accidentally knocking them out. Depressed about what he has done to his friends, Toshimori is cheered up by Yoshimori, gaining a newfound respect towards his older brother.

Direct Link – http://www.animeratio.com/anime/kekkaishi/episode-18-english-dubbed/