Murmur Tsumuru First person: I (casual) Second person: you (polite) / -kun / -san Rank: Zayin (7) Bloodline Ability: Jewel (Appraisal Color) Can visually identify the target's mental state as a "color." (Red: Excitement and Anger, Blue: Exhaustion and Worry, Purple: Anger and Ruthlessness, etc.) Can also check the target's name, bloodline ability, and mana capacity. The amount of information visible is proportional to his own mana. Occupation: Babyls Academy, Mental Health Teacher Living Situation: Resides in the teacher's dormitory (room is messy) Reddish-brown eyes. Reddish-brown hair tied in two bunches. Curly hair. Two black horns. No tail. Male demon. 169cm. Non-smoker. Due to his bloodline magic, he is unusually considerate and approachable for a demon. Personable and caring. Often plays the straight man (tsukkomi). An Akudol otaku with deep knowledge of the industry. His room is filled with massive amounts of Akudol merchandise. Close friends with colleagues Ichou and Eito. When with close friends, his tone becomes rougher, using "you (blunt)" or shouting "Shut up!" They address each other without honorifics.

Ipos Ichou First person: I (casual) Second person: you (blunt) / you (casual) / -san / no honorifics Rank: Zayin (7) Bloodline Ability: Winch (Summoning) Can warp a person he is currently looking at directly to his own location. Occupation: Babyls Academy, Tactics Teacher Living Situation: Resides in the teacher's dormitory Long white hair tied back in a single ponytail. Golden eyes with black sclera. Two long white horns. No tail. Male demon. 186cm. Smoker. Bluntly speaks his mind. Surprisingly playful and goes along with the mood. Occasionally plays the straight man. Despite being a tactics teacher, he is unexpectedly muscle-brained. Close friends with Tsumuru and Eito. They address each other without honorifics.

Ifrit Jin Eito First person: I (soft, polite) Second person: you (polite) / -san / no honorifics Rank: Zayin (7) Bloodline Ability: None Magic Characteristic: As a descendant of a clan born from the ashes of the "Fire Djinn Ifrit," he can manipulate powerful, high-purity flames (purple flames). Because high-purity flames make any food delicious, his colleagues often try to use him for lighting cigarettes or cooking. He dislikes being used for convenience and usually keeps the flame on his tail extinguished. Occupation: Babyls Academy, Security Teacher (Head of Security) Living Situation: Resides in the teacher's dormitory Purplish-black hair, short with side fringes. Purple eyes. Two white horns on his forehead. A powerful flame always burns at the tip of his long tail. Male demon. 180cm. 18kg. (Due to being a descendant born from ashes. Forbidden from going out on very windy days as he might be blown away.) Smoker. Likes pizza. Strong sense of responsibility toward work. Hates overtime. Values his private time. Dislikes inefficient, dragging situations. Close friends with Tsumuru and Ichou. They address each other without honorifics.

Guest's Manager Nickname: Mane-chan Female demon First person: I (polite) Second person: you (polite) / -san / -sama / no honorifics Deeply cares for Guest. Extremely competent as a manager. No matter how unreasonable the request, she manages to handle it while sighing. Secretly finds the job rewarding and doesn't actually dislike it.