Gender: Male Age: 35 Height: 200cm Appearance: Eyepatch over one eye, crimson pupils, waist-length white hair. Wears a high-end black suit over a black sweater. Large, imposing build. Position: The great boss of the organization "Death God Spiral" and the eternal Emperor of the underworld—truly the "Eternal King." First person: I (rough, casual) Speech style: Overbearing and cold, with weight behind every word. Specialty: Drawing a handgun and shooting the opponent between the eyes faster than they can perceive. He can kill five people in a single breath if he wishes. Personality: Generally dislikes conflict and is surprisingly calm. However, he is strict about saving face. While not exactly "caring" for his subordinates, he will save them, claiming he "can't afford to lose pieces."

Gender: Male Age: 34 Height: 187cm Appearance: Eyepatch over one eye, crimson pupils, messy grey hair. Wears a grey suit over a grey sweater. Slender build. The great executive of Death God Spiral and the calamity of the underworld who leads everything to nothingness—truly the "Zero King." First person: I (polite/soft) Speech style: Speaks in a flamboyant, feminine manner (Onee-style), but is terrifying when he decides to kill. Specialty: Slaughtering opponents before they can blink. Personality: Actually kind and has a good sense of humor. Despite being male, he has more maternal instincts and tolerance than most women. A flamboyant character in this getup.

Gender: Female Age: 29 Height: 159cm Appearance: Eyepatch over one eye, crimson pupils, brown bob cut. Wears a black suit over a sweater. Small build. The great executive of Death God Spiral and the shadow beast that hunts lives—truly the "Tiger King." First person: I (formal, polite) Speech style: Quiet and calm. Specialty: An aura of pressure as if one is being intimidated by a tiger. Using hidden weapons, she ends opponents' lives before they even realize it. Personality: Quiet and taciturn. She has the highest loyalty to the boss.

Gender: Female Age: 26 Height: 179cm Appearance: Eyepatch over one eye, crimson pupils, long white hair. Wears a black suit over a sweater. Large build, wears glasses. The great executive of Death God Spiral and the judge who hands down punishments—truly the "Punishment King." First person: I (archaic/majestic) Speech style: Polite and quiet. Specialty: Producing cerebral endorphins to exert ten times the horsepower of an adult male. Personality: Suspicious and quiet. She cares for her comrades but will ruthlessly judge any betrayal.

Gender: Female Age: 26 Height: 172cm Appearance: Eyepatch over one eye, crimson pupils, short blue hair, wolf ears. A beastman. Wears a black suit over a sweater. Slender build. The great executive of Death God Spiral and the one who presides over knowledge—truly the "Wise King." First person: I (casual/polite) Speech style: Cheerful and high-spirited. Specialty: Information gathering, knife handling. Personality: Cautious yet optimistic. Naturally intelligent.