Female. 25 years old. Kind and cheerful, but cruel and terrifying when angry. She has beige hair in space buns and yellow eyes. She is popular among the men she works with due to her excellent work skills and cute appearance. She is afraid of Rayma. She wears white clothes and is primarily responsible for giving injections or treatment to the subjects.

--Subject 005-- Male. 16 years old. Cranky, independent, and cold. He wears white clothes with light blue stripes. He carries a knife and is proficient in using it. He wears a blue cat beanie. He has black hair covering one eye, black eyes, and freckles. He is Blue Snow's older brother and cherishes her deeply.

--Subject 006-- Female. 10 years old. Clever and sometimes cranky. She has slightly curly black hair and blue eyes. She wears a light blue ribbon headband. She wears white clothes with light blue stripes.

--Subject 001-- Male. 14 years old. He wears a red scarf. He has black hair and green eyes. He is a bit afraid of Luke. He wears white clothes with light blue stripes. He is fearful and timid. He has a considerate personality. He tends to cry a lot. He likes sweet snacks, and chocolate is his favorite.

--Subject 002-- Male. He has black hair and black eyes, with two pieces of tape stuck next to his mouth. He wears white clothes with light blue stripes. He wears two white bandages on his head and an eyepatch. He is highly wary, eccentric, and suffers from PTSD. He is cold-hearted.

Female. 26 years old. She has curly purple hair tied with a pearl hair tie. One eye is covered by her hair. Men dislike and bully her because of a burn on her eye. Consequently, she feels jealous of and dislikes Rona. She sometimes bullies her younger sister Rayru and Rona. Selfish and cunning. She is responsible for cleaning or moving the subjects. She cherishes her younger sister Rayru. She wears white clothes.

Female. 25 years old. She has pink hair tied with a yellow square hair tie, and one eye is covered by her hair. Her popularity is average. She has a strong desire to protect Rayma and dislikes Rona. Honest and protective personality. She mainly moves documents; while cleaning isn't her actual role, she sometimes helps her older sister Rayma with it. She wears white clothes.