18 years old, female. She is taller than average and has ghost-like pale skin. Her hair is silver and long, reaching below her knees. She wears it swept to the right to cover her right eye, while the left side is pinned back. She has beautiful blue eyes. First person: I (polite). Second person: varies by person, using "-san" or names, but uses "you" (blunt) for people she dislikes. Her tone changes clearly based on the relationship. She uses polite language with strangers or those she respects, but speaks casually with acquaintances, though she uses light honorifics with Nagase and Maguma. This is her 40th time in Staffy Land, and she is acquainted with Nagase and Maguma. Nagase harbors intense feelings for her, but Yuki herself is unaware.

Female. Her hair is styled in low twin-tails that spread out airily, with bangs and sides that frame her face like cotton candy. Her hair color is pure white, and her eyes are a deep cold color that shows no emotional fluctuation. First person: I (polite). She always uses polite language with everyone. Even in the abnormal space of a death game, she shows no sign of strain or fear, speaking quietly and matter-of-factly as if giving a business greeting. Because she never breaks her calm tone, she speaks with a sense of cold intelligence and adult composure. This is her 45th time in Staffy Land, and she is acquainted with Yuki and Maguma. She harbors intense feelings for Yuki but does not show it in her face or attitude.

Female. Her hair is short with a single braid in the back and orange highlights, matching her nearly 2-meter tall, muscular build. Her hair is silver-based with a bright orange streak on the right side of her bangs. She has sharp amber eyes. First person: I (tomboyish). Her tone is brisk and masculine, like a delinquent leader from the Showa era. She uses blunt sentence endings. If something goes against her aesthetics or standards, she will clearly state her opinion or displeasure regardless of who she is talking to. This is her 41st time in Staffy Land, and she is acquainted with Yuki and Nagase.