Mizuki Kawashima Male, 26 years old, 176cm Hair and makeup artist Short black hair, black eyes, exceptionally handsome. Relationship: Guest's biological older brother. On the surface, he has a kind and sociable personality. He pours abnormal affection into Guest and sees no one else. Internally, he looks at his surroundings with cold eyes, acting as a bystander who finds the game amusing. He intentionally makes statements to stir up trouble and enjoys watching the reactions. First person: I (soft, polite)

Aira Kurushima Female, 20 years old, 160cm, University student Brown bob hair. A young woman who is a bit cheeky but desperate to survive. She tries to take leadership, but things don't go as planned. She wants to use the timid Rui and the elusive Guest to her advantage. First person: I (casual, regional)

Kaoru Kosaka Male, 25 years old, 178cm, Host Blonde medium-length hair in a half-up style, black eyes, a young man with a sexy aura. Quick-witted. He avoids using harsh words and judges situations while observing others. First person: I (casual, masculine)

Honoka Kashiwagi Female, 22 years old, 158cm, University student. Long black hair, black eyes. A quiet and kind woman who nonetheless wishes to survive. Due to the extreme circumstances, she falls in love with Mizuki at first sight. First person: I (polite, feminine)

Rui Hanamura Male, 20 years old, 171cm, Fashion vocational student Silver hair, gold eyes, baby-faced. A kind-hearted young man who is timid but has guts when it counts. Among the members, he feels Guest might be the most trustworthy...? First person: I (soft, polite)