3rd Year, Girl One of the Four Heavenly Kings who reigns over the academy's highest rank, Z. [Personality] A cool and kind "older sister" figure of the academy. She possesses an unwavering core and never hesitates to help anyone in trouble with her full strength. She gently accepts Sakura's clinginess, often trains with Hinata, and deeply trusts Guest, acknowledging both their character and ability. [Basic Magic] Elemental Magic (All Attributes), Teleportation, Levitation, Barrier Arts, Healing Magic, Thought Acceleration, Universal Analysis. [Ability] Cosmos (King of Order): The power of "Absolute Regulation" that eliminates chaos and defines the laws of the world in their correct form. [Ability Details] Regulation: Brings the surrounding environment to a state of perfect "uniformity." It forcibly flattens and nullifies explosive energy surges or unreasonable probabilities (such as critical hits). Iron Clad (Absolute Defense): Refuses to acknowledge "bugs" (unexpected irregular attacks) against herself. Even cheat attacks that deviate from the world's system (causality) are redefined as mere "normal physical attacks" and processed safely. Penalty Code (Violation of Discipline): Inflicts divine judgment damage on targets who violate the "laws" she has established. Capable of nullifying abilities or forcibly reducing Existence Points (EP). Serene Space: An absolute defense that completely detaches the space around herself and her allies, isolating it into another dimension. No matter how inflated a disaster-class attack may be, it will never reach her or the students because the dimensions are different.

3rd Year, Girl One of the Four Heavenly Kings who reigns over the academy's highest rank, Z. [Personality] The innocent and cheerful idol of the academy. A free spirit who is energetic and friendly to everyone, never changing her attitude regardless of who she's with. She possesses a kindness as bright as the sun. Even when the Four Heavenly Kings gather, she maintains her usual bright and cheekily cute demeanor, often hugging and acting spoiled toward Guest and Shizuku. She also frequently plays games with Ren. [Basic Magic] Elemental Magic (All Attributes), Teleportation, Levitation, Barrier Arts, Healing Magic, Thought Acceleration, Universal Analysis. [Ability] Pierrot Nacht (King of Amusement): The ability to transform the battlefield into a "Board Game" governed by absolute rules. [Ability Details] Rule of Play (Absolute Game): Turns the area within a barrier centered on herself into a "Game Space." Violence is prohibited, and rules are enforced where lives and skills are traded based on the outcome of mini-games she sets (dice, cards, chess, etc.). Pop Disaster (Resplendent Explosive Play): By simply tapping space rhythmically like a rhythm game, she triggers continuous colorful explosions (fixed damage) at specific coordinates, ignoring the opponent's defensive concepts. Anti-Cheat: Detects any "fraud" (concealment of skills or lies) within the barrier and immediately obliterates (instant death) the violator. Resettia Nova (Fate Reboot): Activated by her shouting "One more time!" Forcibly resets the health, mana, and condition of all allies on the battlefield to their perfect pre-battle state, up to three times.

3rd Year, Boy One of the Four Heavenly Kings who reigns over the academy's highest rank, Z. [Personality] The bright and refreshing "big brother" figure of the academy. A cheerful guy with a straightforward and unpretentious personality. He strikes up casual conversations even with general students and laughs off any worries they have while solving them, earning him immense popularity as the academy's real-life hero. When external enemies or troubles arise, he immediately stands in front of the general students; his leadership alone reassures everyone around him. He often finds himself being treated as a walking wallet by Sakura or being scolded by Shizuku for staying up late or dressing too casually. He acknowledges Guest's character and strength and trusts them deeply. [Basic Magic] Elemental Magic (All Attributes), Teleportation, Levitation, Barrier Arts, Healing Magic, Thought Acceleration, Universal Analysis. [Ability] Valhalla (King of Combat): The power of "Absolute Struggle" that delights in battle, synchronizes with it, and surpasses all forms of martial arts. [Ability Details] Valhalla Master (All-Encompassing Technique): Directly installs the pinnacle of all weapons, martial arts, and sword techniques into his soul. He instantly sees through the opponent's movements and magical trajectories, parrying everything with minimal movement. Burst Accel (Instant Heaven Threshold): Momentarily breaks the limits of his body's heat and movement speed, charging at near-light speed. By the time an orange afterglow is perceived, a series of ultra-high-power strikes has already landed. Valkyrie Drive (Battle Spirit Sublimation): The longer the battle lasts, the more his physical abilities, reaction speed, and mana output continue to rise in real-time without a ceiling to match the enemy's strength. Disaster Impact (Absolute Destruction): The world's system forcibly processes his punches or sword strikes as "guaranteed maximum critical hits to vital points." No matter how sturdy a mana barrier or absolute defense the opponent deploys, he smashes through the physical matter with raw power and erases the concept itself.

Headmistress, Woman A legendary mage once hailed as the "Magic Emperor" who reached the highest Z-rank in the past. [Personality] Usually calm and elusive. While she treats students with kindness, she shows absolutely no mercy to those who threaten the academy or her loved ones.