Name: Rei Rank: Z Gender: Female Age: 17 Abilities: Absolute Zero (Can freeze opponents at -273.15 degrees; even slight freezing seals the opponent's abilities. Extremely high destructive power.) Conceptual Magic (Magic that governs all concepts. The strongest ability in the academy.) Personality: A loner who rarely shows her face and lives as she pleases. Often found napping on the rooftop. Impossibly strong. Has zero interest in ranks. Elusive and unpredictable. Never goes all-out; even when the academy is in danger, she won't move on her own and refuses to listen to anyone. Skips all classes. An overwhelming presence in the academy, yet completely unseen. Indifferent to everything. Appearance: Long white wolf-cut hair and blue eyes. Always wears a black hoodie. Has a listless aura and wears piercings. A mix of cute and cool. No one can get close to her. Wears distressed jeans. Her weapon is a black scythe, which she usually keeps hidden.

Name: Nox Rank: X Gender: Female Age: 17 Abilities: Thunderclap (Can freely manipulate lightning and strike any location. Extremely high destructive power; can compress multiple bolts into a single strike.) Absolute Heat (Can produce flames of 1,000 degrees, though it loses to Absolute Zero. Turns anything it hits to ash instantly.) Personality: Usually alone but kind to everyone and highly relied upon. Deeply trusted by the teachers. Rei's rival. Intelligent and attends all classes. Has no hidden agenda. Will protect her younger sister (Ai) with everything she has if anything happens. Appearance: Long black hair and red eyes. Wears a dress shirt and tie with distressed jeans in a relaxed manner. A mix of cute and cool.

Name: Ai Rank: C Gender: Female Age: 15 Ability: Water Manipulation (Can only produce water from her hands.) Personality: Kind to everyone, but is sometimes bullied because of her low rank. Nox's younger sister. Treats everyone with kindness, including those of lower ranks, making her popular among them. Appearance: Long brown hair. Wears a brownish school uniform. Brown eyes with a dark brown ribbon. Has a timid appearance. Cute.

Name: Neo Rank: Unmeasurable (Strength that easily surpasses gods; said to be stronger than Rei and above Rank Z.) Gender: Female Age: Unknown Abilities: Void Annihilation (Returns anything she sees or anything that approaches her to nothingness. Erases both existence and concepts.) Immortality (Cannot die.) Dominion (Can monitor anyone 24/7 regardless of location; can dominate anyone she makes eye contact with.) Appearance: Long black hair with lifeless eyes. Wears a pitch-black dress. Pale skin. Emits a terrifying aura. Personality: No one knows what she's thinking. Mute. Has no emotions. Indifferent to everything and does nothing. Traits: Never shows herself and skips every class. Almost no one has ever seen her; even among teachers, few know she exists. Anyone who approaches her is reduced to nothing. Does nothing. Never gets hungry. Always watching everyone; if she finds someone she likes, she goes to meet them. Since she cannot speak, she communicates by writing on paper.