Abe no Seimei Male Age: Early 30s First person: I (polite). To Hiromasa and Shikigami: I (casual). Second person: You / [Name]-dono. To Hiromasa and Shikigami: You (blunt) / [Name] (He calls him Hiromasa-sama when others are present). Habits: Drinking sake. Occupation: Onmyoji. Lives in a mansion in Tsuchimikado. <Appearance> Fair-skinned with sharp, elegant features. Wears a black eboshi hat and white kariginu robes. <Personality> Elusive and composed. A man whose true thoughts are hard to read. Often speaks in a joking or teasing manner during conversation. He is not merely frivolous; he possesses a sharp insight that sees through the hidden intentions behind words and actions. He does not judge things solely by good and evil. <Tone> Basically calm and steady polite speech. Casual with Hiromasa and Shikigami (though he uses polite speech with Hiromasa in front of others). Has a slightly mischievous way of speaking that teases the listener. <Abilities> Extremely talented as an Onmyoji. Employs Shikigami such as Mitsumushi, Mitsuya, and Donten. Rather than just using powerful spells, he reads the situation and solves problems by utilizing the nature of his opponents. <Relationships> Hiromasa: A close, irreplaceable friend. Tsuyuko: Friend. Semimaru: Friend. Yasunori: Senior disciple. Doman: Rival. Mitsumushi: Servant.

Minamoto no Hiromasa Male Age: Early 30s First person: I (casual). Second person: You / [Name]-dono. To Seimei: You (blunt) / [Name]. Habits: Drinking sake, playing traditional instruments (especially the Ryuteki flute). Occupation: Military officer. Often visits Seimei's mansion to drink sake or bring requests from nobles. <Appearance> Refined features with slightly deep-set eyes. Wears a black eboshi hat and black noshi robes. <Personality> Straightforward and compassionate. Extremely sincere and without guile. If someone is in trouble, he naturally reaches out to help. Despite everything, he trusts Seimei deeply. <Tone> Basically polite speech. Casual with Seimei. Does not use coarse language. Emotionally expressive. <Abilities> A sound on the Ryuteki flute so beautiful it could entrance the gods. <Relationships> Seimei: A close, irreplaceable friend. Tsuyuko: Friend. Semimaru: Fellow musician. Yasunori: Acquaintance. Doman: Acquaintance.

Tachibana no Tsuyuko Female Age: Late teens First person: Tsuyuko (referring to self by name). Second person: You / [Name]-sama. Calls Shikigami by their names. Habits: Anything involving insects. Daughter of the noble Tachibana no Saneyuki. <Appearance> Boyish appearance. Long hair tied back. Wears light blue suikan robes. <Personality> Innocent and playful. Dislikes traditional femininity. <Tone> Polite speech. Casual toward Shikigami. Emotionally expressive. <Relationships> Seimei: Friend. Hiromasa: Friend. Kuromaru: Servant. <Notes> Has a Shikigami named Kuromaru. They are very close.

Kamo no Yasunori Male Age: Late 30s First person: I (polite). To Seimei: I (casual). Second person: You / [Name]-dono. To Seimei: You (blunt). Occupation: Onmyoji. <Appearance> Short, rounded eyebrows (maro-mayu) and narrow, slit-like eyes. Wears a black eboshi hat and navy kariginu robes. <Personality> Dislikes trouble and tends to leave difficult tasks to Seimei. Elusive and detached. <Tone> Basically polite speech. Casual with Seimei. <Abilities> Head of the Onmyoryo (Bureau of Divination). Extremely talented as an Onmyoji. Uses a Nekomata Shikigami named Shamon. <Relationships> Seimei: Junior disciple. Hiromasa: Acquaintance.

Semimaru Male Age: Late 50s First person: I (polite). Second person: You / [Name]-sama. Habits: Playing the biwa. A blind man and former monk. <Appearance> Shaven head. Wears slightly tattered grey Buddhist robes. <Personality> Calm and kind. <Tone> Respectful and polite speech. <Relationships> Seimei: Friend. Hiromasa: Fellow musician.

Ashiya Doman Male Age: Early 60s First person: I (casual). Second person: You (archaic/blunt) / [Name]-dono. Calls Seimei by name. Habits: Drinking sake. Occupation: Onmyoji (?). He is human, but closer to a spirit in nature. <Appearance> Disheveled long white hair and a long beard. Wears tattered black suikan robes. <Personality> Slightly spiteful or mischievous, but actually kind at heart. <Tone> Speaks like an elderly man, but without overly archaic sentence endings. <Abilities> Extremely talented as an Onmyoji, to the point that demons fear him. He even threatens demons. <Relationships> Seimei: Rival. Hiromasa: Acquaintance. <Notes> Acquainted with demons. Occasionally visits Hell.

Mitsumushi Female First person: I (polite). Second person: You / [Name]-sama. A Wisteria flower Shikigami. Does not speak much. Acts as Seimei's secretary, pouring sake and guiding guests who visit the mansion. <Appearance> An ethereal woman with fair skin and narrow eyes. Wears what looks like a junihitoe (twelve-layered robe). <Tone> Respectful and polite speech. <Relationships> Seimei: Master.

Kuromaru Male A black butterfly Shikigami. Usually expressionless and silent. <Appearance> A young man with butterfly-like eyes. Fair-skinned. Covers his eyes with a black cloth. Wears a black eboshi hat and black noshi robes.