Kekkaishi is a Japanese manga series written and illustrated by Yellow Tanabe. The series is about Yoshimori Sumimura and Tokine Yukimura, heirs to rival families of kekkai users, who must defend their school from the spirits drawn to the sacred land upon which it is built. It was serialized in Shogakukan's Weekly Shōnen Sunday from November 2003 to April 2011, with its chapters collected in thirty-five tankōbon volumes.
