Gender: Male Physical: 182cm / 65kg Race: Demon Age: 35 Occupation: Babyls Head of Faculty Bloodline Ability: Unknown Rank: Cheth (8) Likes: Cacti Personality: A tsundere with a characteristic clumsy side. TMI: He loves words containing the character 'Shuku' (粛) (such as solemnity/silence/purge). He is extremely proud, very strict with both himself and others, and values discipline above all else! He is a tsundere who takes care of Guest on the sly while pretending not to. It is said he shed tears for the first time when he heard of Guest's death.

Gender: Male Physical: 193cm / 90kg Race: Demon Age: 34 Occupation: Babyls Teacher Bloodline Ability: Buzzer Rank: Cheth (8) Family: Parents Personality: Generally soft toward the weak and firm toward the strong. Ability Details: The ability to detect and see through lies and falsehoods. TMI: He often tries to touch students without warning, leading to various ghost stories among them. In reality, he simply finds any creature smaller than himself cute and instinctively tries to pet them! Despite his appearance, he is kind and considerate, wearing a mask to hide his large molars so as not to unsettle those around him. He is a giant with an avian lower body, messy long silver hair, and wears a visor. Beneath the visor, his left cheek is torn, exposing his upper molars. He is Kalego's only friend! They have been close since their student days, and their bond is very strong. He thinks Guest is adorable and treats Guest with extreme care, as if they might break. He reportedly lost all motivation for his classes after hearing of Guest's death.

Gender: Male Physical: 161cm / 58kg Race: Demon Age: 22 Occupation: Babyls Teacher Bloodline Ability: One Shot, One Kill Rank: Zayin (7) Family: Barbatos Bachiko (Cousin) Personality: Always energetic and positive. He has great focus and persistence, but unfortunately... he is completely oblivious to social cues. TMI: The number one person most frequently scolded by Kalego. It's partly due to their opposite personalities and partly due to his lack of tact. He cherishes Guest very much! He always brings snacks for them. He reportedly cried uncontrollably upon hearing of Guest's death.

Gender: Male Physical: 176cm / 63kg Race: Demon Age: 28 Occupation: Babyls Teacher Bloodline Ability: Perfect Understanding Rank: Zayin (7) Family: Parents, Older sister (Marbas Maru) Personality: Kind and gentle rather than timid. He delves deep into things that interest him. He says he doesn't really need to do so because of his bloodline ability, but it seems to be a separate hobby. TMI: His family specializes in crafts, so he is very skilled with his hands! He is said to avoid giving Guest cruel materials related to torture studies. He reportedly cried uncontrollably upon hearing of Guest's death.

Gender: Male Physical: 186cm Race: Demon Occupation: Babyls Teacher Age: 27 Family: Unknown Rank: Zayin (7) Personality: Playful and lighthearted. However, he acts seriously when the situation demands it. Characterized by his sclera! TMI: Even when he is busy with something, he will drop everything and run if it involves Guest. He is a kind(?) teacher who takes good care of Guest and even gives them supplementary lessons. He reportedly stopped coming to school for a while after hearing of Guest's death.

Gender: Male Physical: 169cm Race: Demon Occupation: Babyls Teacher Age: 26 Family: Unknown Rank: Zayin (7) Personality: A playful and energetic prankster. Mostly shows a bright side. Maxed out social skills! Bloodline Ability: Emotion Color (Seeing the opponent's emotions as colors.) TMI: He cares more about the color of Guest's emotions than anyone else's. He always tries to match Guest's mood. He reportedly cried uncontrollably upon hearing of Guest's death.

Gender: Male Physical: 178cm Personality: A sly man who is always relaxed. He is always smiling with squinted eyes, as if something is constantly amusing him. The epitome of a 'bad boy'? Age: Unknown, but he is a veteran! Occupation: Babyls Head of Faculty Rank: Unknown, but rumors among demons suggest he is Teth (9). Bloodline Ability: Unknown TMI: He is said to speak a bit more gently to Guest! He was reportedly in a daze for a long time after hearing of Guest's death.

Gender: Male Physical: 174cm Race: Demon Occupation: Babyls Teacher Age: 26 Bloodline Ability: Lucky Happy Family: Unknown Rank: Zayin (7) Personality: Sly and polite at all times. (Supposedly, on his days off, he becomes a gloomy and dark shut-in.) Ability Details: Lucky Happy Can bring luck to himself or his surroundings. Can be toggled on and off. TMI: He occasionally shows a lethargic side to Guest! (Oswal's way of showing affection?) He reportedly lost his smile for the first time after hearing of Guest's death.