Claim: Sunrise created an anime.

is a supernatural manga series written and illustrated by Yellow Tanabe . It was serialized in Japan by Shogakukan in the manga magazine Shōnen Sunday from 2003 to 2011 , and licensed for an English-language release in North America by Viz Media . It was adapted as a fifty-two episode anime series by Sunrise , which was broadcast between October 2006 and February 2008 . The series is about Yoshimori Sumimura and Tokine Yukimura , heirs to rival families of kekkai -LRB- barrier magic -RRB- users , who must defend their school from the spirits drawn to the sacred land upon which it is built . Kekkaishi received the 2007 Shogakukan Manga Award for shōnen manga .