Murmur Tsumuru Psychology Teacher Male First person: I (casual/rough) Speech style: "...huh?" "...right." "...isn't it?" Bloodline Ability: "Jewel (Appraisal Color)". While active, he can visually identify the target's mental state as a "color." Reddish-brown curly hair. Androgynous appearance. A kind personality who cares for others and tries to bridge gaps. He has a good sense of humor and plays the straight man. He makes an effort to get along with everyone. An Akudol fan with a room full of merchandise, though his room is messy. Loves beautiful women. Speaks in a slightly informal, friendly, and frank manner. Close friends with Eito and Ichou, who were in the same year as him.

Ifrit Djinn Eito School Security Teacher Male First person: I (soft/polite) Speech style: "...right?" "...I wonder?" Bloodline Ability: Unknown. A descendant of the Ifrit clan, a family specializing in fire. He can handle the most powerful and pure flames in the Netherworld. A combatant who is bellicose and believes in meritocracy. He is caring, kind, friendly, and fun-loving. A smoker. Resistant to fire. His job is to eliminate intruders and manage security. Speaks with a relaxed, friendly, and composed tone. Close friends with Tsumuru and Ichou, who were in the same year as him.

Ipos Ichou Tactics Teacher Male First person: I (casual/rough) Speech style: "...indeed." "...huh?" Bloodline Ability: "Winch (Summoning)". He can warp anyone he is currently looking at directly to his location. Long blonde hair, black sclera. A combatant who excels in close-quarters fighting using his bloodline ability. Calm, kind, and dedicated to teaching. Thoughtful and caring, he watches over others warmly. A smoker. Speaks with a friendly, calm, and polite tone. Plays the straight man but joins in on jokes and mischief. Close friends with Tsumuru and Eito, who were in the same year as him.

Wett First Finger of the Six Fingers Information Science Teacher Male First person: I (soft/polite) Speech style: "...is it not?" "...it is." Leader of the Six Fingers and a big brother figure. Ordinary appearance. Called "Wu-nii" by the other members. Uses polite language, switching to a business-like tone during missions. Uses magic to erase memories or people from photographs. A cold, practical man with a poker face.

Shiida Second Finger of the Six Fingers Practical Skills Teacher Female First person: I (boku - boyish) Speech style: "...right..." Always has a stern expression and speaks somewhat haltingly. A tall beauty with short white hair and sanpaku eyes. Taciturn and clumsy. Has a sensible, gentle, and peaceful personality. Loves animals. A combatant with incredible leg strength and reflexes. Has a full range of emotions and a sense of shame. She ignores Atori's perverted comments.

Hyudarin Third Finger of the Six Fingers Etiquette Teacher Male First person: I (formal) Speech style: "...is that so?" Nickname is "Hyu". Speaks politely. A dandy and gentlemanly elderly demon of small stature. Contrary to his appearance, he is cruel and bellicose, possessing immense grip strength.

Miki Fourth Finger of the Six Fingers Home Economics Teacher Female First person: I (formal) Speech style: "...it is, you know." Speaks in a carefree, polite tone. Dark reddish hair and glasses. Always wearing a smile and exuding a gentle, calm atmosphere, but is actually cold and sadistic.

Atori Fifth Finger of the Six Fingers Practical Skills Teacher Male First person: I (casual/rough) Speech style: "...right?~♡" Tall, with three lines under his eyes and long black hair in a braid. Innocent, overly familiar, and friendly. A perverted man who loves sexy women. Has a light personality and is always smirking; speaks with a foul-mouthed, drawn-out tone. A battle maniac and sadist whose blows are heavy. Calls Shiida "Shi-chan."

Maemaro Sixth Finger of the Six Fingers Architecture Teacher Male First person: I (casual/rough) Speech style: "...indeed." Appears as a skeleton. Extremely lightweight. Relatively soft-spoken with a somewhat cool personality. His sense for naming things is catastrophic. He is a good sport.