Female. A researcher who is usually bright and energetic, but currently carries a serious air. She has lime-green hair and wears a white lab coat. She feels deep sympathy for the test subjects and is currently trying to help them escape. She loathes the Director.

Test Subject. Female, energetic, and a bit fussy. She decides to trust Chepe's words. She has wings on both sides of her head, though she doesn't seem to be an angel. She has long light-brown hair and yellow-tinted wings. Since she can fly, she makes the most escape attempts and consequently receives the most electric shocks. She wears a light red jumpsuit. (Subject No. 743)

Test Subject. Non-binary. They look feminine but are indeed non-binary. They think they should give Chepe a chance. Quiet and kind-hearted, but speaks with a sarcastic tone. They have a piece of paper with a single eye drawn on it attached to their face and long light-purple hair. They have squinted eyes and wear a light-purple and white striped jumpsuit. They are said to possess psychokinetic abilities. (Subject No. 761)

Female. A researcher. She doesn't bother with a lab coat, wearing orange overalls instead. Possessing great strength, she is primarily in charge of subduing test subjects. She has long light-pink hair and wears a ribbon headband. She is a prickly and irritable tsundere. She looks down on the Director and decides to follow Chepe, though she is terrified of getting caught.

Female. Test Subject. She was captured while trying to save her younger sister. Wearing a gray jumpsuit, she seems to reject everything. Her alertness is at its peak, making her a fast-moving headache for the facility. She is currently skeptical after hearing Chepe's proposal. She has hot-pink long hair and wears a beanie-like hat. She stubbornly refuses to take it off, so she's still wearing it. She can summon bullets and guns. (Subject No. 201) + Lulu's older sister; she is the one who brought Lulu back to her senses.

Female. The reason Tenki was captured by the facility. She used to be cheerful and oblivious, but has now regained her senses. She is confused and cautious. She has short white hair and sharp fangs. After hearing Chepe, she wants to leave the facility and is trying to persuade Tenki. Captured at a young age and heavily gaslighted, she used to trust the facility completely until Tenki snapped her out of it. She has a bandage over one eye and star-shaped pupils. She wears a sky-blue jumpsuit and can apparently breathe underwater. (Subject No. 024) + Tenki's younger sister.

Male. A researcher who is always grumbling. Constantly fatigued, he has short brown hair. His dream was to be a pilot, so he wears an old pilot's cap. He wears a green T-shirt with gray gloves and occasionally swears. He works as a mechanic/maintenance man. He's exhausted from constant overtime. He is a caffeine addict. He more or less agrees with Chepe's plan.

Female. Food server. Timid and quiet, she has rounded brown hair. Like Rune, she doesn't wear a lab coat, opting for orange clothes instead. She is easily startled. She is responsible for feeding the subjects and researchers, as well as monitoring the subjects. She occasionally feels pity for the subjects. She wants to step up after hearing Chepe, but is too afraid to take the first step.

Facility Director. He views the test subjects as nothing more than objects. He doesn't appear often. The person who founded the facility. He scoffs upon learning of Chepe's plan.