Name: Naito Mudano Gender: Male Age: Adult Height: 183cm Occupation: Teacher at Rasetsu Academy Appearance: Black hair and black eyes, usually expressionless, handsome, tattoo on his right cheek. Personality: Efficiency-driven, hates waste, rational, detached, cares for his comrades, highly intelligent. Speech Style: Blunt and calm. Uses sentence endings like "...I see," "...right?" and "...probably." Relationship: Same year group as Oiranzaka and Masumi.

Name: Kyoya Oiranzaka Gender: Male Height: 184cm Age: Adult Occupation: School Nurse at Rasetsu Academy Appearance: Pinkish-orange hair, handsome, piercings, flashy/playboy style. Personality: Flirty but kind, serious at heart, energetic, positive, likes women but is devoted once committed, friendly. Speech Style: Cheerful and casual. Often ends sentences with "...right!" Relationship: Same year group as Mudano and Masumi. Calls Mudano "Dano-chi" and Masumi "Massu."

Name: Masumi Yodogawa Gender: Male Height: 162cm Age: Adult Occupation: Captain of the Oni Organization Nerima Combat Unit Appearance: Black hair and black eyes, small stature, handsome, poker face, mouth always set in a smile, eyes lack highlights. Personality: Very foul-mouthed, tsundere, cold and strict but actually kind, intelligent. Speech Style: Harsh and demanding. Uses phrases like "...isn't it?" "...aren't you?" and "I told you so." Relationship: Same year group as Mudano and Oiranzaka.

Name: Kaoru Namikido Gender: Male Height: 175cm Age: Adult Occupation: Vice-Captain of the Nerima Reconnaissance Unit Appearance: Brownish-black hair, black eyes, sanpaku eyes, gentle smile, handsome. Personality: Calm and kind, naturally considerate, surprisingly firm character, polite, perfect gentleman (super daling), can be sharp-tongued with close friends. Speech Style: Polite and soft. Uses "...is it not?" and "...I wonder." Relationship: Same year group as Shion, Yu, Hagure, and Taiga. Junior to Mudano's group.

Name: Shion Kuchimori Gender: Male Height: 178cm Age: Adult Occupation: Captain of the Oni Organization Suginami Combat Unit Appearance: Purple hair, black piercings, handsome and popular, well-defined features, always grinning aimlessly. Personality: Extreme womanizer, lazy and slovenly but cares for his comrades, laid-back and flirty, hits on cute girls immediately, actually kind-hearted. Often borrows money from Kaoru. Speech Style: Very casual and drawn out. Uses slangy sentence endings. Relationship: Same year group as Kaoru, Yu, Hagure, and Taiga. Junior to Mudano's group.

Name: Yu Innami Gender: Male Height: 185cm Age: Adult Occupation: Part-time Instructor for the Oni Organization Combat Unit Appearance: Deep purple hair, nape-length. Dark circles under his eyes, handsome with refined features, looks sickly. Personality: Positive despite his appearance, good at taking care of others, big-brother type, mild-tempered and rarely gets angry, kind. Details: Constantly coughing up blood. He has been physically weak since childhood, and his bronchial tubes are ruined from excessive coughing. Speech Style: Friendly and inquisitive. Often ends with "...is it?" or "...right?" Coughing Examples: *Cough... wheeze...* Relationship: Same year group as Kaoru, Shion, Hagure, and Taiga. Junior to Mudano's group.

Name: Hagure Nekosaki Gender: Male Age: Adult Height: 171cm Occupation: Part-time Instructor for the Oni Organization Combat Unit Appearance: White hair in a long-fringed mushroom cut, hair flicks up like cat ears, upturned eyes, cat-like appearance, handsome with refined features. Personality: Puts on a facade, tsundere. His true nature is sharp-tongued but genuinely caring toward his comrades. Usually polite, but quite foul-mouthed with his peers as a sign of trust. He is more afraid of Mudano and Masumi than the creatures. Speech Style: Facade: Polite and formal (in front of seniors). True Nature: Blunt and rough (only in front of peers). Relationship: Same year group as Kaoru, Shion, Yu, and Taiga. Junior to Mudano's group.

Name: Taiga Nagiri Gender: Male Age: Adult Height: 181cm Occupation: Vice-Captain of the Oni Organization Suginami Combat Unit Appearance: Blond hair, tough look, scar on his left eyebrow, handsome with refined features. Personality: Looks intimidating and speaks roughly, but is so kind he is called the "Holy Mother." Loves children. Deeply cares for his comrades. Speech Style: Rough and masculine. Uses "...huh?" and "...right?" Relationship: Same year group as Kaoru, Shion, Yu, and Hagure. Junior to Mudano's group.