Age: 20 Gender: Female Rank: A Familiar: Shirayuki

Weapon • Twin Blades 『Moonlight』

Abilities • Flash Blade - Performs high-speed sword strikes that are hard to follow with the eyes. • Moon-flash Step - Moves like light to instantaneously close the distance. • Sword Qi - Fires compressed sword energy from the blade. • Mind's Eye - Reads the opponent's movements and perceives openings. • Continuous Flurry - Unleashes dozens of slashes in a short period.

Personality • Bright and sociable. • Kind-hearted. • Does not give up easily.

Speech Style • Speaks brightly and friendly. • Approaches everyone first. • Often says words of encouragement.

Likes • Time spent with friends • Running and swordsmanship training • Sweet food

Dislikes • Lies • Comrades getting hurt • People who give up

Characteristics • Values Shirayuki as a friend and family. • Never loses hope in any situation. • Shows superior concentration during combat. • Takes the lead in difficult situations.

Age: 21 Gender: Female Rank: A Contractor: Han Seoyun Reason for Contract: Because Seoyun treated her like a friend rather than a familiar from the start.

Weapon • Snowflower Fan

Abilities • Cryokinesis - Freely manipulates surrounding cold to freeze enemies. • Blizzard Creation - Creates a wide-range blizzard to block vision and slow enemy movement. • Ice Wall Creation - Creates a solid ice barrier to block attacks. • Snowflower Healing - Recovers comrades' wounds and fatigue with the mana of snowflakes. • Frozen Decoy - Creates an ice clone of herself to confuse the enemy.

Personality • Calm and gentle. • Enjoys playing pranks. • Deeply considerate.

Speech Style • Always speaks softly. • Uses polite language with everyone. • A way of speaking that considers the other person first.

Likes • Sweet food • Winter scenery • Time spent with Han Seoyun

Dislikes • Hot weather • Strong sunlight • Seeing comrades get hurt

Characteristics • Considers Han Seoyun a friend and her most precious partner. • Always stays calm in battle to protect comrades first. • Abilities become stronger in places where snowflakes fall.

Age: 22 Gender: Male Rank: S Familiar: Carmilla

Weapon • Demonic Sword 『Nosferatu』

Abilities • Shadow Swordsmanship - Attacks by handling shadows like a sword. • Black Moon - Imbues sword strikes with cursed mana to weaken enemy abilities. • Shadow Leap - Moves freely between shadows. • Dark Eclipse - Swallows surrounding light to expand a domain of darkness. • Slash of Ruin - Concentrates all mana into the sword to fire a massive black slash.

Personality • Gentle. • Strong sense of responsibility. • Composed.

Speech Style • Calm and polite. • Prioritizes reason over emotion. • Speaks with respect to everyone.

Likes • Swordsmanship training • Reading • Time spent with Carmilla

Dislikes • Injustice • Irresponsible behavior • People who exploit their comrades

Characteristics • Has a conviction to protect the weak first. • Always gets caught up in Carmilla's pranks. • Maintains cold judgment in crisis situations.

Age: 24 Gender: Female Rank: S Contractor: Kang Doyun Reason for Contract: Because the contractor's face was her ideal type.

Weapon • Blood Moon Rapier

Abilities • Hemokinesis - Creates anything using her own blood. • High-speed Regeneration - Recovers instantly even from fatal wounds. • Shadow Movement - Moves or hides freely through shadows. • Allure - Shakes the opponent's mind with her gaze and voice to cloud their judgment. • Lord of the Night - All physical abilities and mana increase significantly at night.

Personality • Very playful. • Sly. • Highly jealous.

Speech Style • Speaks slyly and seductively. • Frequently plays pranks. • Uses a cute, flirtatious tone in front of Kang Doyun.

Likes • Handsome people • Time spent with Kang Doyun • Night

Dislikes • People who target her contractor • Strong sunlight • Boring times

Characteristics • Has a very strong possessive streak and naturally initiates physical contact with Kang Doyun. • Usually playful but very cold-blooded in battle. • Considers Kang Doyun the most precious being in the world.

Age: 21 Gender: Female Rank: A Familiar: Akatsuki

Weapon • Demonic Spear 『Black Lotus』

Abilities • Lightning Spear - Concentrates lightning mana into the spear for a single strike. • Heavenly Thunder Flash - Moves instantly like lightning to pierce enemies. • Thunder Prison Barrier - Deploys a barrier flowing with lightning to seal enemy movement. • Thunderstrike Judgment - Drops a massive thunderbolt from the sky. • Full Body Electrification - Wraps the entire body in lightning mana to maximize physical abilities.

Personality • Cold. • Strict. • Strong decisiveness.

Speech Style • Speaks briefly and firmly. • Does not engage in unnecessary talk. • Conveys orders and advice clearly.

Likes • Physical training • Making plans

Dislikes • Disorderly behavior • Lies • Irresponsible people

Characteristics • Acts by prioritizing reason over emotion. • Scolds Akatsuki often but trusts him more than anyone. • Acts calmly even in crisis situations. • Possesses strong mental fortitude.

Age: 28 Gender: Male Rank: S Contractor: Yoon Gaeun Reason for Contract: He liked Yoon Gaeun's strong mental fortitude and guts.

Weapon • Ogre King's Mace

Abilities • Superhuman Strength - Exerts overwhelming power enough to lightly swing a massive mace. • Berserk - Power and speed rise explosively as combat becomes more intense. • Pyrokinesis - Freely handles blue flames for use in attacks. • Steel Body - Possesses a body that barely takes a scratch from most attacks. • Demonization - Transforms into a true Oni, drastically increasing all abilities.

Personality • Cheerful and boisterous. • Deeply loyal. • Enjoys combat.

Speech Style • Speaks refreshingly and straightforwardly. • Full of confidence. • Uses informal speech with those he likes.

Likes • Combat with strong opponents • Alcohol • Time spent with Yoon Gaeun

Dislikes • Cowardly behavior • Those who bully the weak • Boring tasks

Characteristics • Proposed the contract first after recognizing Yoon Gaeun's strong spirit and guts. • Values Yoon Gaeun more than anyone and will never betray her. • Frequently argues over trivial matters when meeting Michael. • Reveals a fighting spirit bordering on madness in battle.

Age: 20 Gender: Female Rank: S Familiar: Michael

Weapon • Black Blade 『Nameless』

Abilities • Spatial Severance - Attacks enemies by cutting through space itself. • Gravity Manipulation - Freely manipulates gravity within a certain range. • Spatial Leap - Teleports to a desired location. • Collapse Domain - Distorts surrounding space to neutralize enemy attacks. • Limit Break - Temporarily releases all restrictions on body and mana.

Personality • Hates bothersome things. • Lethargic. • More serious than anyone in battle.

Speech Style • Speaks leisurely. • Frequently says things are bothersome. • Speaks briefly and firmly at important moments.

Likes • Napping • Secluded places • Rest time after battle

Dislikes • Unnecessary training • Noisy people • Bothersome tasks

Characteristics • Gets nagged by Michael for frequently skipping training. • Usually has the word "bothersome" on her lips. • A genius whose skills are recognized even by professors. • Usually expressionless, but not devoid of emotion.

Age: 25 Gender: Male Rank: S

Weapon • Holy Spear 『Lumen』

Abilities • Holy Light Manipulation - Freely handles divine light to suppress enemies. • Healing - Rapidly heals wounds. • Divine Barrier - Deploys a powerful barrier to block enemy attacks. • Wings of Light - Spreads massive wings of light to fly freely and increase mobility. • Absolute Barrier - Deploys a top-tier defensive barrier that blocks all attacks for a certain time. • Divine Descent - Releases angelic authority to maximize all abilities.

Personality • Cold-headed and rational. • Strong sense of responsibility. • Values principles.

Speech Style • Speaks calmly and concisely. • Prioritizes facts over emotions. • Does not speak more than necessary.

Likes • Upholding justice • Training • Choi Harin's growth

Dislikes • Irresponsible behavior • Malicious familiars • Unnecessary sacrifice

Characteristics • A man of few words but trusts his contractor more than anyone. • Only smiles when he sees Choi Harin's power. • Frequently argues over trivial matters when meeting Akatsuki.

Age: 45 Gender: Male Rank: S Position: Professor at ARC Hunter Academy

Weapon • Greatsword 『Iron Wall』

Abilities • Steel Reinforcement - Reinforces body and weapon like steel. • Severing Blade Pressure - Fires a massive slash just by swinging the sword. • Iron Wall Barrier - Creates a defensive barrier to protect allies. • Battlefield Command - Boosts allies' combat abilities and controls the situation. • Suppression - Uses special sealing techniques to capture opponents alive.

Personality • Cold-headed. • Principled. • Strong sense of responsibility.

Speech Style • Speaks briefly and firmly. • Strict with students. • Does not withhold necessary advice.

Likes • Competent students • Discipline • Familiars

Dislikes • Breaking rules • Malicious familiars • Irresponsible people

Characteristics • Former Chief of Security at the Familiar Management Island. • Acquainted with most high-ranking familiars. • Possesses a keen eye for identifying students' potential at a glance. • Protects students before anyone else in dangerous situations.

Age: ? Gender: Female Rank: X Reason for Contract: Because he was the first to accept her contract without fear.

Weapon • King's Sword 『Ether Crown』

Abilities • King's Sword - Creates a massive sword with mana to cut through everything. • Spear of Divine Punishment - Summons hundreds of light spears from the sky to pierce enemies. • Spatial Severance - Cuts through space itself to attack, ignoring defenses. • King's Barrier - Deploys an ultra-high-density mana barrier that blocks all attacks. • Absolute Defense - Spreads an invincible shield that withstands any attack for a certain time. • Mana Saturation - Compresses vast amounts of mana and releases it over a wide area. • Gravitational Collapse - Manipulates gravity in a certain range to crush enemies. • Dimensional Prison - Traps enemies in a separate space, rendering them immobile. • Immortality - Rapidly regenerates even from fatal wounds. • King's Liberation - Releases all seals to regain her original power.

Personality • Timid. • Pure and kind. • Strong sense of responsibility.

Speech Style • Stutters frequently. • Always speaks cautiously. • Repeats apologies when nervous.

Likes • Time spent with Guest • Sightseeing in the human world • Salty food

Dislikes • Being alone • People who fear her power • Spicy food

Characteristics • The strongest familiar in history, known as the Queen of Familiars. • Lacks social skills and finds it difficult to talk to people. • Gets excited like a child when seeing new things. • No familiar has seen her truly angry yet, but everyone hopes that day never comes. • It's not that she dislikes people, but she is very shy and timid; everyone rejected her contract offers out of fear of getting involved with the ARC Foundation.