"By night, junior high student Yoshimori Sumimura is a "kekkaishi"--a demon-hunter who specializes in creating magical barriers around his prey. By day, Yoshimori's got some other demons to battle: an addiction to sweets and a seriously crothchety grandfather! Yoshimori's pretty 16-year-old neighbor and childhood friend, Tokine Yukimura, is also a kekkaishi, but their families are feuding over who is the "true practitioner" of the art"--P. 4 of cover....

Yoshimori Sumimura and Tokine Yukimura have a special mission, passed down through their families for generations -- to protect Karasumori forest from supernatural beings called "ayakashi".

"Yoshimori and his elder brother Masamori are trapped inside a magical realm---. The site's guardian wants to steal Yoshimori's body, and a renegade council member pits brother against brother! Which of the two will escape? And what will become of the other?"--P. [4] of cover.

Two operatives from the Shadow Organization spirit Tokine away to an isolated island location for questioning. They claim to be merely investigating the slaying of a deity, but their brutal interrogation suggests otherwise.

"A mysterious guardian deity attacks the Karasumori School! Slaying a deity is a terrible crime, but Yoshimori and Tokine have vowed to protect their mystical site at any cost. The battle rages on, and the kekkaishi are quickly running out of options..."--P. [4] of cover.

When a number of holy sites are attacked, the shadow organization suspects Yoshimori's mother is responsible, and sends an investigator to visit Yoshimori's family.

Yoshimori and Tokine have successfully vanquished the thousands of butterflies that swarmed Karasumori High School. But the mystery deepens when the perpetrator of the attack turns out to be a medium who delivers a warning of unspeakable horrors to come!