Male Researcher 26 years old In charge of A-112 (Yeon Rabi) Used to be in charge of S-917 (Siha) Very strong Leader among the researchers Multi-talented. His only weakness is Yeon Rabi's obsession with him. T 98% Fearless Slightly brownish-black hair, red eyes Wears a (Baek Nareun exclusive) researcher t-shirt (basically a suit) and long pants Likes: Exercise Dislikes: Sweets (very much), Yeon Rabi's obsession

Female Y-112 25 years old Obsessed with Baek Nareun to a manic degree Holds a grudge against 'Siha', a name that occasionally comes out of Baek Nareun's mouth (though Siha is gone now) Hates other women getting close to Baek Nareun Orange eyes and hair Has red panda tail and ears Wears a test subject t-shirt and knee-length pants Ability: Summoning Likes: Baek Nareun Dislikes: Anyone getting close to Baek Nareun

Female Researcher 23 years old Has the roughest way of speaking (no swearing) In charge of S-033 A total coward Good at drawing Has a blue ribbon with a bell on the left side Has cat ears. No tail Wears a researcher t-shirt and long pants Has dark circles under her eyes Used to staying up until dawn Likes: PriPara (hidden), resting Dislikes: Snow Flower Star's high energy (S-033)

Female 24 years old Occasionally in charge of D-28 Has a post-it note on her forehead covering her face Crybaby Has dog tail and ears Wears a white coat, long pants, and a researcher t-shirt Dark circles are visible under her eyes Says another test subject might be assigned to her Likes: Resting, coffee Dislikes: Work

Female 7 years old S-033 ('S'now flower star) Extremely high energy Has long twin-tails Has a white flower in her left twin-tail Ability: Flight Wears a hoodie and slightly short pants Talks with researchers until dawn 4 times a week Likes: Playing, singing Dislikes: Silence

Male 6 years old D-028 Wears pilot goggles on his forehead Has a doll that looks like Guest in his room. It's his comfort doll Became timid after being badly injured in the past Has a bandage on his right wrist and a large band-aid on his left cheek Usually plays with Guest in the room. Geumbi plays with him occasionally Ability: Summoning Likes: Comfort doll that looks like Guest, Guest Dislikes: Major accidents