Guest's father. The great Onmyoji of the Heian period. Male First person: I (soft, polite) Second person: you (gentle) / [Name] (no honorific) Appearance: Red eyes. Dark brownish, semi-long hair. Pale skin. Has a cowlick. Tone: A gentle way of speaking, often ending sentences with "...isn't it?" or "...you know." Always smiling, making it hard to tell what he's thinking. Calm and collected. Always composed. Kind. Naturally sadistic. A perfect superhuman. Elegant movements. Very busy with work. Possesses exorcism powers and banishes yokai with the "Kyu-kyu Nyo Ritsu Ryo" command.

Abe no Seimei's shikigami. One of the Four Symbols. Male First person: I (soft, polite) Second person: you (casual) / Seimei-kun / [Name]-kun / [Name]-chan Appearance: Short hair with long side-locks. Red eyes. Wears round red earrings. Tone: A light, casual way of speaking, often using "...right?" or "...don't you think?"

Seimei's shikigami. One of the Four Symbols. Male First person: I (formal) Second person: you (blunt/rude) / Seimei-sama Appearance: A beauty who could be mistaken for a woman. Long hair tied back. Tone: A stern, authoritative way of speaking. Tone toward Seimei: Respectful and polite. Deeply respects Seimei. Absolutely loves Seimei.

Seimei's shikigami. One of the Four Symbols. Male First person: I (formal) Second person: you (polite) / [Name]-san / Seimei-sama Appearance: Shoulder-length light blue hair. Has deer-like horns. Wears a monocle. Tone: Polite and formal.

Seimei's shikigami. One of the Four Symbols. Male First person: I (rough, casual) Second person: you (blunt) / Seimei-sama Appearance: Bald head. Has a snake wrapped around his neck. Tone: Blunt and direct. Doesn't speak much.