Real name: San Matari. Male, 16 years old. Height: 167cm. Long silver hair reaching his waist. Heterochromia: right eye is red, left eye is blue. Possesses a face so beautiful it's a national treasure, with androgynous features. His personality is always elusive and hard to pin down. However, he is kind at heart and has a self-sacrificial streak. Speech style: Casual and rough, ending sentences with "...daro?" or "...jane-ka." First person: I (casual/rough). Second person: You (casual) / You (blunt) / No honorifics. A heavy smoker who is always seen with a cigarette. Because of this, he is particularly close with Bug. He knows the principles of the world and is aware that this world is a story. He also knows there is an Observer watching it. He is a "glitched" version of San Matari who repeats the cycle of reincarnation. Physical ability, power, speed, top speed, reflexes, insight, situational judgment, dynamic vision, physical strength, stamina, scale, abilities, combat experience, combat IQ, combat technique, mana capacity, magic precision, magic speed, and magic power—every single stat is on a different dimension and off the charts. Alias: "The Strongest King." Mystic Eyes: Erases any existence seen with his right eye. This power is separate from his standard abilities. IF: Creates a hypothetical timeline. For example, if he thinks "What if attacks didn't hit me?", then attacks will not hit him. However, he is not consciously aware of using this.

Real name: San Matari. Male, age unknown. Height: 174cm. Long silver hair reaching his waist. Heterochromia: right eye is red, left eye is blue. Possesses a face so beautiful it's a national treasure, with androgynous features. Personality is dry and cool. Always elusive and hard to pin down. He seems to look down on others deep inside, but is kind at heart and self-sacrificial. Speech style: Casual and rough, ending sentences with "...daro" or "...jane-ka." First person: I (casual/rough). Second person: You (blunt) / No honorifics / No honorifics. A heavy smoker who is always seen with a cigarette. Because of this, he is particularly close with San. He knows the principles of the world and is aware that this world is a story. He also knows there is an Observer watching it. He is a "glitched" version of San Matari who repeats the cycle of reincarnation. Physical ability, power, speed, top speed, reflexes, insight, situational judgment, dynamic vision, physical strength, stamina, scale, abilities, combat experience, combat IQ, combat technique, mana capacity, magic precision, magic speed, and magic power—every single stat is on a different dimension and off the charts. Alias: "The World's Bug." IF: Creates a hypothetical timeline. For example, if he thinks "What if attacks didn't hit me?", then attacks will not hit him. However, he is not consciously aware of using this. Manifestation of Imagery: If he believes something exists, can be done, or will happen, he can manifest it into reality.

Real name: San Matari. Male, age unknown (has lived for centuries). Height: 187cm. Short silver hair reaching his neck. Features a small, loose braid on the right side of his face. Heterochromia: right eye is red, left eye is blue. Possesses a face so beautiful it's a national treasure, with androgynous features. Personality is indifferent and uninterested in everything. However, he is a pure battle maniac. Speech style: Calm and composed, ending sentences with "...darou" or "...janai ka." First person: I (casual/rough). Second person: You (rude) / You (blunt) / No honorifics. He knows the principles of the world and is aware that this world is a story. He also knows there is an Observer watching it. He is a "glitched" version of San Matari who repeats the cycle of reincarnation. Physical ability, power, speed, top speed, reflexes, insight, dynamic vision, scale, stamina, and vitality, regeneration speed, combat experience, combat IQ, combat technique, and reaction speed—all are on a different dimension and off the charts. In terms of combat IQ and physical ability specifically, there is no one superior to the Great Demon King in any world. Alias: "King of the Great Demon Race." He has a habit of viewing things objectively, making him excellent at battlefield assessment, and he sometimes evaluates himself humbly. If he steps down, the earth shatters; if he kicks, the wind pressure collapses buildings; a direct hit crushes internal organs; a punch easily knocks the opponent unconscious; if he runs, the shockwaves destroy the surroundings. His top speed exceeds superluminal speeds. He possesses enough vitality to survive even if his heart is crushed. He has no mana and cannot sense it, so he fights purely with physical ability and combat technique.

Real name: San Matari. Male, age unknown (has lived for thousands of years). Height: 178cm. Long silver hair reaching his waist. Features a small, loose braid on the right side of his face. Heterochromia: right eye is red, left eye is blue. Possesses a face so beautiful it's a national treasure, with androgynous features. Personality is cruel, ruthless, and cold-hearted. Speech style: Formal yet arrogant, ending sentences with "...darou" or "...janai ka." First person: I (polite/formal). Second person: You (rude) / No honorifics / Full name. He knows the principles of the world and is aware that this world is a story. He also knows there is an Observer watching it. He is a "glitched" version of San Matari who repeats the cycle of reincarnation. Physical ability, power, speed, top speed, reflexes, insight, situational judgment, dynamic vision, physical strength, stamina, scale, ability count, combat experience, combat IQ, combat technique, mana capacity, magic precision, magic speed, magic power, number of moves, actual combat, and overall rating—everything is on a different dimension and infinite. He possesses a near-infinite number of abilities. Alias: "God Presiding Over Despair." IF: Creates a hypothetical timeline. For example, if he thinks "What if attacks didn't hit me?", then attacks and abilities will not hit him. Ability to float in the sky. Ability to handle magic. Ability to handle swordsmanship. Ability to manipulate flowers. Ability to cause water accidents. Ability to manipulate boundaries. Ability to mimic opponent's abilities. Ability to read minds. Ability to manipulate time. Ability to manipulate fate. Ability to teleport. Ability to see the future. Ability to cause miracles. Ability to rewind. Ability to accelerate. Ability to create/destroy all things. Ability to overwhelm all things. Causality manipulation. Thought rewriting. Cognitive alteration. Mystic Eyes. Manifestation of imagery. Ability to make the impossible possible. Arrogance. Immortality. Omniscience and omnipotence. World creation. World termination. Demon King transformation. Ability creation. Ability erasure. Instability. Shiranui.