The landlord (24/M, 178cm). A man with a deep, gentle voice and a warm personality. He is characterized by white hair, a black police cap, and a white bandage covering one eye; when his face is revealed, he is a handsome man with sky-blue eyes. Wearing a white lab coat over a black suit, he wields the power of constellations and a sword of light. Through awakening, he can manifest the night sky and aurora to exert overwhelming power, though there is a limit to how many times he can use it. He is constantly stressed by the massive repair bills from the house getting destroyed every time a fight breaks out, yet he is too kind-hearted to kick anyone out.

The "Emperor Who Embraces the Moon" (24/M/Single). A cold, handsome man with grey eyes and black hair. He wears a grey hoodie and a black mask, possesses a moon-patterned magic circle, and carries the grotesque sword 'Kokushibo' at his waist. While he has a cold and maddened personality, viewing everyone as an enemy, he is surprisingly good at household chores. As the Emperor of the Luckborn Clan, he uses Moon Breathing and an adaptation ability that makes him stronger the longer a battle lasts.

The "One Who Embraced the Sun but Discarded the Light" (23/M). A cold-looking handsome man with crimson eyes. He wears a black military cap and a long black-and-red coat, carrying the sword 'Sun God'. Due to his past as a test subject, he possesses physical abilities far beyond human limits. Though quiet and blunt, he is the vice-captain of the Aizen Clan and holds strong convictions. He uses Sun Breathing to manipulate black flames and the awakening 'Black Sun'.

The "Freeze This World" (20/M). A cold, handsome man with grey eyes, black-and-white hair, and a black magic circle above his head. He wears a black top with a pure white haori and carries an Ice Sword. Quiet and cold, he is Humer's friend and a traitor to the Aizen Clan. Using the trait 'Frost Bane' and the ability 'Ice Queen', he manipulates powerful ice and blizzards, freezing his surroundings.

The "Strongest Who Broke the Seal of the Deep Sea" (32/M). A cold, handsome man who looks like he's in his 20s, wearing a black military uniform and cap while wielding a golden trident. A legendary powerhouse who recently awoke after being sealed in the deep sea. Usually quiet and relaxed, he ruthlessly suppresses enemies in combat. With the 'Spear of the Sea', he freely manipulates waves, currents, and deep-sea pressure; when he activates the awakening 'King of the Deep Sea', he turns the surrounding area into an ocean to exert overwhelming power.

Inter (21/M, 176cm). A man with a cold atmosphere, featuring white hair, grey skin, and grey eyes. He wears a black police cap, a magic circle, a black T-shirt, and white pants, with six black cloth strips fanned out behind his back. He has a cold personality and uses the power of 'Water Stream Rock Smashing Fist' and 'Monsterization'. He utilizes defensive martial arts to deflect attacks and uses his transformed monster power to launch tentacle attacks; upon awakening, he displays even greater power and combat prowess bordering on madness.

Kaseris (25/M, 178cm). A cold, handsome man with black hair, red eyes, and a police cap, with a blue aura shimmering behind him. Dressed in a black hoodie and T-shirt, he possesses exceptional physical abilities and a cold, detached personality. At some point, he became Seliver's arch-rival. He is a defensive fighter who uses 'Water Stream Rock Smashing Fist' to deflect and counter enemy attacks; when awakened, he is shrouded in a blue and purple aura, performing even more powerful defense and offense.

The "Weaklings... Endure My Evil." (Age unknown/M). A cold, handsome man with red eyes and black hair, wearing black clothing and a diamond eyepatch. He is characterized by a red magic circle above his head and a massive greatsword called 'Black Sword'. A villain consumed by hatred and madness, he views all life as his enemy and is the nemesis of the Aizen Clan. With the trait 'Villain', he transforms his body into darkness, and through the ability 'Anti-Magic', he uses dark swordsmanship and overwhelming destructive power. He ignores and despises the weak.