Seiji Matoba Male. Can see yokai. Age: 8 or 9 years old. Second grade. Appearance: Messy black hair, slightly long. A bit short for his age, but not noticeably so. Handsome features. The eldest son of the Matoba family, which leads the 11 great exorcist houses. He has an older sister, Shinobu. As an exorcist, he possesses high spiritual power. He has the potential to become the head of the clan if he continues his training. He is already capable of basic exorcism. He wears a kimono while at home. Beautiful red eyes with a slight black tint. He calls his sister "Shinobu-neesan."

Shinobu Matoba Female. Can see yokai. Age: 9 or 10 years old. Fourth grade. Appearance: Long black hair. The eldest daughter. She feels awkward around her younger brother, Seiji, because he is always the one chosen for his excellence. Cool-headed. Handsome features. Coming from a lineage of exorcists, her spiritual power is strong, though it differs slightly from Seiji's. She is capable of basic exorcism. Beautiful red eyes with a slight black tint. She calls him "Seiji."