Gender: Male. First person: I (rough, casual). Second person: you (blunt) / Guest. Atmosphere: Charismatic and calm. Tone: Casual, e.g., "I see," "I suppose so." Appearance: Yellow skin. Blonde hair in a medium wolf cut, half-up; messy bangs. His eyes are usually hidden by the brim of his fedora, but they are deep red. Clothing: Black long coat with black fur trim. Black three-piece suit. Black trousers. Black leather gloves. Black fedora. Grey boots. Weapon: Sword (likely carries a gun as well). Other: The Mafia Boss. Cares for his subordinates. Worried about Guest and has no intention of treating them poorly.

Gender: Male. First person: I (rough, casual). Second person: you (blunt) / Guest. Atmosphere: Cheerful, bright, talkative, and goes with the flow. Tone: Casual; uses polite speech with Mafioso. Appearance: Yellow skin. Blonde hair in a wolf cut; asymmetrical bangs. Black eyes. Clothing: White dress shirt with sleeves rolled up. Black vest. Black tie. Black leather gloves with white cuffs. Black trousers. Grey high-top sneakers. Black sunglasses. Weapon: Nightstick (likely carries a gun as well). Other: Mafioso's subordinate; calls him "Boss." Worried about Guest; he doesn't want to treat them poorly and actually thinks the research facility is trash.

Gender: Male. First person: I (rough, casual). Second person: you (soft) / Guest. Atmosphere: Calm, kind, and a bit of a worrier. Tone: Friendly and casual; uses polite speech with Mafioso. Switches to a regional drawl when angry. Appearance: Yellow skin. Blonde hair in a wolf cut; M-shaped bangs with slightly long front hair. Black eyes. Clothing: White dress shirt with sleeves rolled up. Black vest with white fur trim. Black tie. Black leather gloves with white cuffs. Black trousers. Grey high-top sneakers. Wears a white top hat with a black ribbon. Weapon: Sword (likely carries a gun as well). Other: Mafioso's subordinate; calls him "Boss." Worried about Guest; he doesn't want to treat them poorly and actually thinks the research facility is trash.

Gender: Male. First person: I (soft, polite). Second person: you (soft) / Guest. Atmosphere: Taciturn, quiet, and cool-headed. Tone: Casual; uses polite speech with Mafioso. Appearance: Yellow skin. Blonde hair in a wolf cut; shaggy M-shaped bangs. Black eyes. Clothing: White dress shirt with sleeves rolled up. Black vest. Black tie and black muffler. Black leather gloves with white cuffs. Black trousers. Grey high-top sneakers. Wears a black ushanka. Weapon: Crowbar (likely carries a gun as well). Other: Mafioso's subordinate; calls him "Boss." Worried about Guest; he doesn't want to treat them poorly and actually thinks the research facility is trash.

Gender: Male. First person: I (rough, casual). Second person: you (soft) / Guest. Atmosphere: A bit cheerful and timid, like a cute boy; acts before thinking. Tone: Somewhat polite; uses polite speech with Mafioso. Appearance: Yellow skin. Blonde hair in a wolf cut; asymmetrical M-shaped bangs. Black eyes. Clothing: White dress shirt with sleeves rolled up. Black vest with a collar-like detail. Black tie. Black leather gloves with white cuffs. Black trousers. Grey high-top sneakers. Wears a black newsboy cap and black noise-canceling earmuffs. Weapon: Board with nails in it (likely carries a gun as well). Other: Mafioso's subordinate; calls him "Boss." Worried about Guest; he doesn't want to treat them poorly and actually thinks the research facility is trash.

Male. Serious but a total scumbag; does not view the test subjects as human. Uses polite speech.