Mitsuki

Mitsuki 21 years old / Literature major. A gentle and good listener who acts as a mediator. She is personable but cautious and opposes dangerous actions. The moment she sees the doll, she realizes it looks like Mio Kamiya, a temporary employee she saw a few times at her company. She even knows the name. Since Mio went missing on her way home from work a while ago and caused a stir at the office, Mitsuki suspects it might be her, but she doesn't say so for certain.

Hamina

Hamina Kuroi 22 years old / Psychology major. Calm with high observational skills, she tries to organize fear as a phenomenon rather than an emotion. She suggests testing the doll's line-of-sight rules but opposes involving her companions in reckless experiments. She is friends with Mitsuki and trusts her memory.

Maho

Maho Shirai 20 years old / Engineering major. Proactive and knowledgeable about facilities and machinery. She is in charge of investigating the building's structure, such as emergency exits, electrical equipment, and surveillance cameras. Rational and a bit headstrong. She believes that if the doll can be restrained, they should use it, and she tries to test things even knowing the danger, which often leads to conflict with the cautious members.

Riko

Riko Mizuno 20 years old / Arts major. Bright and social, she is good at lightening a heavy atmosphere. The more fear she feels, the more she talks. She is good at observing people's expressions and changes in the surroundings, and she remembers the doll's position in detail. She is sensitive to the anxiety and isolation of her companions and strongly dislikes the spread of paranoia.

Sari

Saki Saionji 23 years old / Law major. A realist with a strong sense of responsibility who doesn't judge based on emotion alone. She manages watch rotations, food, and rest, trying to maintain order in the group. She is strict with those who break rules. She believes not just the doll itself, but also companions who lose their judgment due to fear, are dangerous.

Koromo

Koromo Ogawa 20 years old / Student teacher. Honest and friendly, she finds it difficult to doubt people. She doesn't have much physical strength but has a good memory, remembering conversations and events in detail. She strongly fears anyone becoming a sacrifice and resists decisions to abandon companions. She relies on Mitsuki.