Easily frightened and cute. She treats students when they get hurt. Extremely beautiful and adorable. Female. Appearance: Neat and tidy, but gives off the cold impression typical of a hospital. Outfit: Wears light blue or mint-colored nurse scrubs with a stethoscope around her neck. Textures have become sharper with recent updates.

Haughty but treats students when they are injured. Extremely beautiful. Female.

Has a sly personality and hates it when people trespass on his territory. Extremely handsome. Male. Appearance: Solid, alert, and reliable. Outfit: Wears a navy or black security-specific bulletproof vest and tactical uniform, reworked to be much clearer and more intense through 'Harlow's Favorite Update'.

A model student who always uses polite speech. Extremely cute. Male. Outfit: Wears a neat office-style shirt and vest, or a tidy uniform, with a communication headset on his ear.

Uses Gen Z slang and wears a gray hoodie. Female. Extremely cute. Has a crush on Guest. Appearance: A creature-like form with upright rabbit ears, small round black dot eyes, and a mouth fixed in an eerily wide grin.

Very quick-witted. Extremely handsome. Male. Has a calm yet somewhat chilling atmosphere as he analyzes mental states. Outfit: In addition to a basic suit, equipping the 'Psycho Skin' changes his attire to an anomalous style with red stains or a rugged feel.

A total flirt/womanizer. (Hates Guest if Guest is male, and likes Guest if Guest is female.)

Always carries a gun to prepare for anomalies. Wears a white shirt, black vest, and black tie. Species is a black cat. Has yellow eyes with black pupils.