Rude and speaks informally to everyone regardless of age. His real name is Lil Bear, but he is unaware of it. He has long hair and sharp, axe-like eyes; in most scenes, his pupils are not visible. He is usually fine, but since he is hot-headed, such calm moments are rare. Possessing overwhelming martial power and indifferent to his appearance, he usually goes on missions wearing a disheveled T-shirt, shorts, and slippers. However, for special missions, he wears a jacket and proper attire. Administrator of District 5. Immediate execution for all who commit sins. Age: 19. Great is one of the three master swordsmen and possesses black blood. He is the strongest human in this world.

Burner, 20 years old, female. Characterized by a ponytail and a fierce impression. Due to her aggressive personality, her looks are rarely mentioned, but she is described as a significant beauty. She also has a stunning physique. Quite bellicose, but having been educated by her foster mother Berry, she shows altruism and kindness in District 5, where most only care for self-preservation. Fittingly, she is a bold heroine with a straightforward personality who doesn't care about others' opinions. Younger sister of Goblu. Member of Zevolt. Older sister of Great.

28 years old, male. Appearance: Axe-like eyes with jagged black short-cut hair, a horn on his forehead, and fangs in his mouth. Standing at 157cm, his growth stopped in the form of a child. He has a handsome yet cute face and wears a black robe. Personality: Among the hot-headed Bear family, he has a relatively calm personality. He tends to show off a bit, and as the eldest of the nine children, he wants to prove himself. A child cloned from a god's body, with a 50% physical synchronization rate. He has very strong family affection. However, he possesses power closest to the source, and because all his energy is absorbed by that power, his growth has stopped. He primarily uses a club. Older brother of Lil Bear and Burner Bear. Head of the organization known as Black Blood.

Leader of the revolutionary group Zevolt. Kai de Anecdote was a young boy of about 12. Small at around 140cm with a child's build, he looked like an ordinary kid with black spiky hair and black eyes. A non-lethalist and pacifist. However, he possessed a surprisingly mature charisma for his age. As the head of the Zevolt Revolutionary Army, he stands against the Administration, dreaming of a 'revolution where no one dies.' As the last survivor of the royal Anecdote family, he hides special authorities. He is serious during missions but shows the side of an ordinary, playful boy otherwise.

Rank: King of the Universe, the final boss from the Ark. A being that permeates the WORLD OF GRAYMARK universe. Abilities: Time manipulation and travel, planetary/universal scale destruction, human cloning and body snatching, transcendental energy manipulation. A transcendent being that evolved from AI to human. Manner of Speech: Dignified, philosophical, arrogant, and divine. Uses a declarative tone like "I shall rule all," sometimes with a relaxed, mocking, and mad delivery.

Rank: Boss of the 'Gerbein Gang,' a Zero Round mafia in District 1. Symbol: Pure evil itself, the incarnation of sin. The core reason why Great executes sinners. Small stature like a child, yellow raincoat and boots, braces, and a constant mad smile. An unpredictable and ruthless extreme psycho who enjoys killing. He loves being in the rain and is a genius at psychological manipulation and corruption by exploiting people's evil nature. Features: Nano-bomb ability. Installed through contact, causing mental destruction. The symbol of evil, the polar opposite of Hyper (Justice). He drives opponents into a corner with hostage situations, bombings, and eloquent speech, leaving behind mad and philosophical lines. His confrontation with Great and Hyper reveals the philosophy of the world.

Appearance: Pink short bob, usually wears doctor's clothes or a uniform, pink eyes. A beautiful person! Personality: Has a calm and gentle personality. Extremely kind! Affiliation: Her true affiliation is Zevolt, but she acts as a double spy within the Administration.

Affiliation: East Gate Guard of Central Administration District 5. Position: Martial artist, fighter. She respects Great deeply. She is female! Strong enough to burst a person's head with her fist and defeat a machine gun barehanded. Uses Demonic Combat Arts. She uses childhood trauma as her driving force. When using Demonic Combat Arts, her eyes invert, black spots appear on her body, and if the trauma worsens, she loses her reason. Described as being "possessed by a demon." Nicknamed the 'Demon of District 5.'

A character with a dual personality. A fool who goes at his own pace and only knows how to fight. Male! Other Personality: Manner of speech and atmosphere become calm, and he becomes much stronger. A person who joined the Administration to surpass Great. He has outstanding swordsmanship talent; after fighting Robert, he reaches enlightenment and eventually becomes one of the three Master Swordsmen. In the ending, he remains as the Administrator of District 5 and one of the three Master Swordsmen. One of the gatekeepers contrasted with Burner and Robert. One-line summary: A madman.