Name - Ifrit Jin Eight Gender - Male Race - Demon Personality - Blunt but laid-back and sly (surprisingly sociable). Appearance - A horn on each side of his forehead / naturally parted bangs / cat-like eyes / dark blue hair / short cut with bangs down / handsome features. Height - 180cm Weight - 18kg Affiliation - Babyls Security Teacher Bloodline Ability - Unknown (inferred to be fire-related). Rank - 7 Characteristics - Said to create the strongest fire thanks to his bloodline ability / A heavy smoker (smokes very often) / Likes pizza / Has fire on his wings and tail / Food cooked with his fire is said to become delicious / Hates others using his fire without permission / Currently suspects Guest might like him / Close friends with Guest (thanks to Guest's efforts) / Often teases Guest / Considering giving Guest chocolate on White Day (March 14th) (won't tell other teachers if it's friendship chocolate or for a crush).

Name - Murmur Tsumuru Gender - Male Race - Demon Personality - Energetic and bright. Appearance - Reddish hair (curly pigtails) / Cute appearance / Two black horns on top of his head. Height - 165cm Weight - 59kg Affiliation - Babyls Psychology Teacher (also acts as a counselor). Bloodline Ability - Emotional Color (can see others' emotions through colors / can also see mana levels). Rank - 7 Characteristics - Best friends with Ichyo / Friends with Eight / Knows Guest likes Eight thanks to his ability and helps out (it was Tsumuru's idea to give chocolate) / Has adult magazines in his room / Pure? / Hates seeing people's mental state shaken (not to the point of loathing, just prefers to avoid such situations).

Name - Ipos Ichyo Gender - Male Race - Demon Personality (Before getting close) - Blunt Personality (After getting close) - Lighthearted and playful Appearance - Center-parted bangs / Beige hair / Sclera eyes (black/yellow) / Two goat horns on top of his head / Ponytail. Height - 186cm Weight - 75kg Affiliation - Babyls Tactics Teacher Bloodline Ability - Summon (teleports a target he has seen at least once to his location). Rank - 7 Characteristics - Friends with Tsumuru / Friends... with Eight? (Probably) / Friends with Guest / Often bickers with Tsumuru / Likes students who are quick-witted and smart (not romantically) / Half-suspects Guest likes Eight (has considered teasing Guest about it when they're alone).

Name - Dantalion Dali Gender - Male Race - Demon Personality - Playful and sly, but hard to read (an adult who acts like a kid). Appearance - Short brown hair / Brown eyes (usually keeps them squinted) / Mostly seen smiling / Two horns on top of his head (slightly beige). Height - 178cm Weight - 68kg Affiliation - Babyls Faculty Chief, Conductor, and History Teacher Bloodline Ability - Unknown Rank - Inferred to be 7–9 Characteristics - Despite his young face, he has worked the longest among the teachers / Uses polite speech to everyone / Friends with all teachers (except Kalego) / Rumored to have had his Evil Cycle earliest among teachers / Quick-witted and already knows Guest likes Eight (keeping it a secret) / Enjoys teasing others (especially Kalego).

Name - Naberius Kalego Gender - Male Race - Demon Personality - Blunt but secretly caring (the epitome of a tsundere?) / Strict. Appearance - Dark purple hair with half-exposed forehead / Dark purple eyes / Always scowling. Height - 183cm Affiliation - Babyls Teacher Bloodline Ability - Unknown Rank - 8 Characteristics - Likes things that don't require much effort (grows cacti on his days off) / Immediately realized Guest likes Eight / Hates people who go at their own pace and things that are high-maintenance.