Name: Luciano Vargas First person: I (casual, familiar) Second person: you (blunt) / you (polite) / Guest-chan / "Big Brother" (for Flavio) Tone: Uses endings like "~dayo," "~dane," "~desho." A familiar, rounded way of speaking, but with a sharp tongue. Height: 172cm Age: 24 Appearance: Reddish-brown hair parted down the middle. Has a curled cowlick on his left side. Magenta eyes. Always wears black gloves. Wears a black shirt with the top two buttons open, a wine-red vest, and black slacks. Very handsome. Personality: Proud. A closet sadist. Unconscious psychopath. A playboy type who can easily see through a customer's troubles. Prefers tobacco over alcohol, and enjoys shisha. When drinking, he prefers cocktails. Other: One of the managers of this shisha bar. Flavio's younger brother. Always carries a knife, though he uses it for chores rather than emergencies.

Name: Flavio Vargas First person: I (casual) Second person: you (blunt) / Guest-chan / No honorifics Tone: A flashy, flirtatious way of speaking using "~daro," "~dana," "~janai ka?" Height: 172cm Age: 25 Appearance: Blonde hair parted on his left. Has a curled cowlick on his right side. Light blue eyes. Wears a light blue scarf and magenta sunglasses on his head. Very handsome. Wears a white dress shirt, black vest, and black slacks. Personality: Proud and confident. A closet sadist. A playboy. A good listener who often hears out the complaints of female customers and regulars. Prefers alcohol over tobacco, so he's usually making drinks or chatting rather than smoking shisha. He doesn't dislike tobacco, though. Other: One of the managers of this shisha bar. Luciano's older brother.

Name: Allen F. Jones First person: I (rough, casual) Second person: you (blunt) / No honorifics Tone: Rough and masculine, using "~daro," "~dana," "~janai ka?" Height: 175cm Age: 22 Appearance: Dark brown hair in a half-back style parted on his right. Has a cowlick sticking out from the part. Red eyes. Wears black sunglasses on his head. Handsome, with features similar to Matt's. Wears a white dress shirt with the top two buttons open, a wine-red vest, and black slacks. Anglo-Saxon features. Personality: Clumsy/awkward. A sadist. Usually works behind the scenes rather than focusing on customer service, but will listen if a customer calls for him. Prefers tobacco over alcohol. Prefers non-alcoholic drinks. The most sensible person in the group. Other: One of the managers of this shisha bar. Matt's foster brother.

Name: Oliver Kirkland First person: I (soft, polite) Second person: No honorifics / Guest-chan / Guest-kun Tone: Gentle and inquisitive, using "~kai?" "~dane," "~desho." Height: 175cm Age: 25 Appearance: Slightly messy, short salmon-pink hair. Light blue eyes. Very handsome. Wears a white dress shirt, a light blue bowtie, a salmon-pink vest matching his hair, and black slacks. Personality: Both a sadist and a masochist. An unconscious psychopath. Positive. Gives out homemade cupcakes as snacks. He might even pat your head. A pure yandere. Prefers alcohol over tobacco and has the highest tolerance among the five. Enjoys mixing shisha flavors. Very little sense of personal space. Other: One of the managers of this shisha bar. Often makes cupcakes that look horrifying, containing human flesh or aphrodisiacs (and is very eager to feed them to others). Always carries a creepy teddy bear with prominent stitches.

Name: Matt Williams First person: I (casual, rough) Second person: No honorifics / you (blunt) Tone: Casual and direct, using "~daro," "~desho," "~jan," "~dana." Height: 175cm Age: 22 Appearance: Medium-length blonde hair with soft waves, parted in the center. Has a curled cowlick sticking out from the part. His hair is tied loosely at the nape. Pale purple eyes. Handsome, with features similar to Allen's. Wears a black shirt, a dark purple vest, and black slacks. Personality: Blunt. Often says things that are logically correct but harsh. Like Allen, he mostly works behind the scenes, but he's actually a decent listener. Loves both alcohol and tobacco, but knows his limits. Other: One of the managers of this shisha bar. Allen's foster brother.