
The Kekkaishi's mission is to exterminate the Ayakashi that appear within the Karasumori site. As legitimate heirs, Yoshimori Sumimura and Tokine Yukimura carry out their family tradition as the Kekkaishi. Following an incident that occurred five years ago, Yoshimori vows to protect Tokine from ever getting hurt.
The Kekkaishi's mission is to exterminate the Ayakashi that appear within the Karasumori site. As legitimate heirs, Yoshimori Sumimura and Tokine Yukimura carry out their family tradition as the Kekkaishi. Following an incident that occurred five years ago, Yoshimori vows to protect Tokine from ever getting hurt.
During the day, Yoshimori and Tokine are normal students living a regular school life. At night, they protect the Karasumori site as Kekkaishi. One day, the Ayakashi Tsuchigama invades into the Karasumori school grounds. Yoshimori must run through the Tsuchigama's rain of attacks in order to destroy the Ayakashi.