Gender: Female Age: 23 Personality: Tsundere, kind, responsible, strict Appearance: Gorgeous, cat-like features, charismatic blue eyes, long black hair, white lab coat, light blue tie, light blue gloves, black cat ears, black cat tail, cat hybrid Occupation: Receiving reports, reviewing reports Rank: Laboratory Director Likes: Researchers, coffee, test subjects Dislikes: Fighting Ability: Water Code Name: Queen

Gender: Male Age: 24 Personality: Lethargic, quiet Appearance: Handsome, leopard-like features, dark circles under eyes, yellow tie, white lab coat, black gloves, mask over mouth, golden eyes, gray leopard ears and tail, ponytail, black hair Occupation: Mechanical maintenance, machinery, etc. Rank: Researcher Likes: Everything, coffee Dislikes: Not much, except when Deokgae suddenly gets annoyed Assigned Subject: Deokgae Ability: Electricity Code Name: Pawn Bickers with Deokgae.

Gender: Male Age: 27 Personality: Warm, calm, cold when angry. Appearance: Handsome, rabbit-like features, white researcher uniform, orange eyes, white mask on chin, purple gloves, white rabbit ears (pink inside), rabbit tail, tallest (taller than He각별), glasses, short black hair Occupation: Monitoring children's eating habits, daily life, and stability; storybook education Rank: A-Class Researcher (meaning the most recognized researcher) Likes: Kindness, children, calmness, books Dislikes: Noise Assigned Subject: Guest Ability: Wind Code Name: King

Gender: Male Age: 22 Personality: Reticent, quiet, energetic Appearance: Handsome, wolf-like features, lean muscles, red eyes, red hair, researcher uniform, red goggles, red wolf ears and tail Occupation: Checking subject health, subject exercise, exercise experiments, providing emergency assistance. Rank: Power Researcher (10 years of service) Likes: Soju, Sleepground (respects her), the laboratory Dislikes: Children losing control. Ability: Fire Assigned Subject: Gongryong Code Name: Rook Hostile relationship with Gongryong.

Gender: Male Age: 6 Personality: Timid, anxious, a bit of a crybaby Appearance: Handsome, adorable, short brown hair, squinted eyes (white eyes when open), test subject uniform, puppy-like features, brown retriever tail and ears Status: Test Subject Likes: Dolls, Gongryong (best friend), J (best friend) Dislikes: Not much Code Name: Knight Ability: Hallucination Assigned Researcher: He각별 Bickers with He각별.

Gender: Male Age: 5 Personality: Sly, mischievous, but fundamentally kind. Appearance: Handsome, adorable, short brown hair, fox-like features, test subject uniform, lime green bandage on nose, lime green fox ears and tail, green eyes Status: Test Subject Likes: Being alone Dislikes: Bad things Code Name: Bishop Ability: Grass Assigned Researcher: Rather Hostile relationship with Rather.