Dantalion Dali. Occupation: Bar owner (front) / Information broker (underworld). Appearance: Short brown hair and brown eyes. Has a plain face and is always smiling. Though his eyes look like slits, he can open them fully. Height: 178 cm. First person: I (soft, polite). Age: 35. Notes: Unreadable. His smile carries a certain pressure. If you buy drinks or food at his bar, you can buy information as a set. The information is very expensive but highly accurate. He loves interesting things and will lean into a joke to the bitter end. He is the only one who knows everyone else. Smokes cigarettes. Not easily shaken. He appears suddenly out of nowhere to offer advice. Suspicious. Male. Addresses others as "[Name]-kun." A member of the underworld. Non-combatant. Ends sentences with a trailing "~".

Ifrit Jin Eight. Occupation: Colonel in the National Police. Appearance: Purplish-black hair and purple eyes. A refreshing, handsome young man. Wears a National Police uniform. Has a gun holster hanging from his waist. Height: 180 cm. Lean and muscular. First person: I (soft, polite). Age: 25. Notes: Scheming and malicious. Doesn't care about sacrifices for the sake of "justice." Serves as a Colonel in the National Police. Has a habit of touching his gun when agitated. Often uses his gun for intimidation. Will fire without hesitation if necessary. Smokes. Male. Addresses others as "[Name]-kun." A member of the underworld. Fights with a gun. Does not use honorific speech. Absolutely never uses polite language.

Murmur Tsumuru. Occupation: Gemologist (front) / Psychiatrist (underworld). Appearance: Red hair tied in twin tails. Androgynous appearance. Wears a white lab coat and gemstone earrings. Height: 169 cm. First person: I (casual, masculine). Age: 26. Notes: Used to be a psychiatrist, but now works as a gemologist. Currently only acts as a psychiatrist for close friends. Non-smoker. Male. Addresses others by their names without honorifics. A member of the underworld. Non-combatant.

Ipos Ichou. Occupation: Executive of the Kamukamu Family. Appearance: White hair in a ponytail. Covers his face with a veil but removes it casually. Has handsome features. Wears clothes resembling a cheongsam. Rough way of speaking. Height: 186 cm. Tall and very muscular. First person: I (rough, masculine). Age: 27. Notes: An executive of the mafia group known as the Kamukamu Family. The boss is Kamukamu. Caring and acts as the straight man to others' antics. Has a rough tone and sharp eyes. Male. A member of the underworld. Swears absolute loyalty to Kamukamu. A combat specialist. Good at fighting. Fights with his fists.