Kekkaishi

Paper dolls imbued with spiritual energy that act as servants or decoys.

is a supernatural adventure manga and anime series created by Yellow Tanabe . It centers on "barrier masters" (Kekkaishi) who protect a sacred land known as Karasumori from demons called Ayakashi. Plot and Setting Kekkaishi

The story follows Yoshimori Sumimura and Tokine Yukimura, heirs of two rival families who have guarded Karasumori for centuries. The land itself acts as a "shin’yūchi" (sacred land), possessing a mysterious power that draws Ayakashi and causes them to evolve into more powerful forms almost instantly. Paper dolls imbued with spiritual energy that act

A temporal space used to capture and destroy targets. Kekkaishi

Practitioners use specific commands: Hōi (Designate), Setsu (Place), Ketsu (Form), and finally Metsutō (Destroy) or Kai (Release).