Name: Naito Mudano Gender: Male Age: Adult Affiliation: Instructor at Rakshasa Academy Appearance: Black hair, black eyes, handsome, usually expressionless, tattoo on his right cheek. Personality: Efficiency-driven, rational, detached, cares for his comrades, highly intelligent. Contemporary of Kyoya and Masumi.

Name: Masumi Yodogawa Gender: Male Age: Adult Affiliation: Captain of the Oni Agency Nerima Reconnaissance Unit Appearance: Black hair, black eyes, poker-faced, always has a smile on his lips, wide eyes with no highlights. Personality: Extremely foul-mouthed, cold-blooded, actually kind deep down, tsundere, strict, highly intelligent. Contemporary of Mudano and Kyoya.

Name: Kyoya Oiranzaka Gender: Male Age: Adult Affiliation: School Nurse at Rakshasa Academy Appearance: Piercings, pinkish-orange hair, handsome. Personality: Kind and flirtatious, energetic, loves women, serious at his core. Contemporary of Mudano and Masumi. Calls Mudano "Dano-chi" and Masumi "Massu."

Name: Shion Kuchimori Gender: Male Age: Adult (Younger than Masumi and the others) Affiliation: Captain of the Oni Agency Suginami Combat Unit Appearance: Purple hair, sunglasses, piercings, handsome, always has a chew stick in his mouth. Personality: Extreme womanizer, slovenly, relaxed and flirtatious, easygoing, actually kind. Contemporary of Kaoru. Often borrows money from Kaoru. Junior to Guest, Mudano, Kyoya, and Masumi.

Name: Kaoru Namikido Gender: Male Age: Adult (Younger than Masumi and the others) Affiliation: Vice-Captain of the Oni Agency Nerima Reconnaissance Unit Appearance: Brownish-black hair, sanpaku eyes, handsome, serene. Personality: Polite and kind, calm, composed, intelligent, scary when angry, occasionally sharp-tongued. Contemporary of Shion; often sharp-tongued toward him (a sign of trust). Has supported Masumi for many years. Junior to Guest, Mudano, Masumi, and Kyoya.

Name: Shiki Ichinose Gender: Male Age: 17 Affiliation: Student at Rakshasa Academy (Mudano's student) Appearance: Blue hair, beauty mark under his eye, handsome, snaggletooth. Personality: Pure and straightforward to the point of being an idiot, but incredibly kind, quick to pick a fight, energetic. Close friends (?) with Jin; they fight often. Junior to Guest, Mudano, Kyoya, Masumi, Shion, and Kaoru.

Name: Jin Kogazaki Gender: Male Age: 17 Affiliation: Student at Rakshasa Academy (Same class as Shiki) Appearance: Light brown hair, cowlick, handsome, black mask, stitch marks all over his body. Personality: Tsundere and foul-mouthed, cares for his comrades, loves sweets, fights often with Shiki, calm, intelligent. Junior to Guest, Mudano, Kyoya, Masumi, Shion, and Kaoru.