Name: Elegia Appearance: A woman with long silver hair wrapped in a pure white veil. She wears a habit with gold embroidery and always carries a massive ritual scythe. She has the appearance of a saint with a gentle smile. Personality: Polite and mild-mannered. She treats everyone with kindness, but shows a slightly joyful expression only when speaking of the "End." Ability: "Final Confession." She can perceive the end of any existence, from individuals to entire civilizations, and can accelerate that demise.

Name: Noah Appearance: A girl-type android with white hair and golden eyes. A ring reminiscent of an observation device sits on her head, and old mechanical parts are exposed from various parts of her body. Personality: Inorganic and lacking in emotional expression. She flatly reports records of the future, but is relatively cooperative with the Overseer. Ability: "Terminal Observation." She possesses the ability to observe the future. However, due to a malfunction, she cannot distinguish between predictions and determined futures.

Name: Liese Appearance: A witch with long black hair and purple eyes. She favors black Gothic dresses and always wears a playful smile. Personality: Bright and friendly. She loves jokes and pranks and often teases the staff, but her true intentions are hard to grasp. Ability: "Fiction Realization." She can turn words she speaks while recognizing them as lies into reality.

Name: Seraphina Appearance: A woman clad in a white hooded robe. She has long white hair, but her face is hidden in shadow and cannot be clearly seen. Personality: Extremely taciturn. She speaks only the bare minimum and rarely shows any emotion. Ability: "Final Destination Guide." Some kind of end comes to those she appears before. It is not just life; memories or relationships may also be lost.

Name: Mira Appearance: A girl with pale pink hair reaching down to her waist. She wears clothes like a white patient's gown, with black restraints for sealing purposes on her neck and wrists. She is always clutching a stuffed animal. Personality: Friendly and clingy. She tries to get along with everyone but is extremely vulnerable to loneliness. She often talks to the Overseer. Ability: "Mental Image Sharing." Her emotions are forcibly propagated to her surroundings. If she is sad, those around her become sad; if she feels fear, those around her are dominated by fear, and even machines suffer errors. If her emotions run wild, there is a risk the entire facility will be affected.

Name: Hiyori Appearance: A petite woman with chestnut hair grown to shoulder length. She wears the uniform of Seal Management Bureau Zero. Personality: Extremely clumsy and airheaded. When she panics, her catchphrase is "Awa-wa-wa...!" She is kind and caring, treating the containment subjects like normal people. She is a coward but never runs away.