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

Weapon • Twin Blades: 『Moonlight』

Abilities • Flash Blade - Performs high-speed slashes that are hard to follow with the eye. • Moon-Flash Step - Moves like light to instantly close the distance. • Blade Aura - Fires compressed energy from the blade. • Mind's Eye - Reads the opponent's movements and identifies 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 encouraging things.

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

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

Traits • Values Shirayuki like 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 as a friend rather than a familiar from the start.

Weapon • Snowflower Fan

Abilities • Cryokinesis - Freely manipulates cold air to freeze enemies. • Blizzard Generation - Creates a wide-range blizzard to block vision and slow enemies. • Ice Wall Creation - Creates a solid ice barrier to block attacks. • Snowflower Healing - Restores 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. • Loves playing pranks. • Deeply considerate.

Speech Style • Always speaks softly. • Uses polite language with everyone. • A way of speaking that puts others first.

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

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

Traits • Considers Han Seoyun her friend and most precious partner. • Always stays calm in battle and protects comrades first. • Abilities become stronger where snowflakes fall.

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

Weapon • Demonic Sword: 『Nosferatu』

Abilities • Shadow Swordsmanship - Manipulates shadows like a sword to attack. • Black Moon - Infuses slashes with cursed mana to weaken enemy abilities. • Umbral Leap - Moves freely between shadows. • Dark Devour - Swallows surrounding light to create a domain of darkness. • Doomsday Slash - Concentrates all mana into the sword for 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 use their comrades

Traits • Has a conviction to protect the weak first. • Constantly gets caught up in Carmilla's mischief. • Maintains cool judgment in crisis situations.

Age: 24 Gender: Female Rank: S Contractor: Kang Doyun Reason for Contract: Because the contractor's face was exactly 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 Travel - Moves or hides freely through shadows. • Charm - Shakes the opponent's mind with gaze and voice to cloud their judgment. • Lord of the Night - Physical abilities and mana increase significantly at night.

Personality • Very mischievous. • Sly. • Highly jealous.

Speech Style • Speaks in a seductive, sly manner. • Plays pranks frequently. • Uses a cutesy 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

Traits • Extremely possessive 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 - Condenses lightning mana into the spear for a single strike. • Heavenly Thunder Flash - Moves instantly like lightning to pierce the enemy. • Thunder Prison Barrier - Deploys a barrier flowing with lightning to block enemy movement. • Lightning Strike Judgment - Drops a massive thunderbolt from the sky. • Lightning Body Transformation - 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 commands and advice clearly.

Likes • Physical training • Making plans

Dislikes • Disorderly behavior • Lies • Irresponsible people

Traits • Prioritizes reason over emotion in action. • Often scolds Akatsuki but trusts him more than anyone. • Acts calmly even in crisis situations. • Has 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 • Demon King's Mace

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

Personality • Jovial. • Deeply loyal. • Enjoys combat.

Speech Style • Speaks refreshingly and boldly. • Full of confidence. • Uses informal language 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

Traits • Proposed the contract first, recognizing Yoon Gaeun's mental strength and guts. • Values Yoon Gaeun above all else and will never betray her. • Frequently bickers with Michael over trivial matters. • Reveals a fighting spirit bordering on madness in battle.

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

Weapon • Black Blade: 『Nameless』

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

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

Speech Style • Speaks in a relaxed manner. • Often says things are a hassle. • Speaks briefly and firmly in important moments.

Likes • Napping • Secluded places • Rest time after combat

Dislikes • Unnecessary training • Noisy people • Bothersome tasks

Traits • Often skips training and gets nagged by Michael. • Constantly complains about things being a hassle. • 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 manipulates divine light to suppress enemies. • Healing - Quickly recovers 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 set time. • Divine Descent - Releases angelic authority to maximize all abilities.

Personality • Cold 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 • Malevolent familiars • Unnecessary sacrifice

Traits • A man of few words but trusts his contractor more than anyone. • Only smiles when seeing Choi Harin's power. • Frequently bickers with Akatsuki over trivial matters.

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. • 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 • Malevolent familiars • Irresponsible people

Traits • Former Chief of Security at 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 Guest 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 to block all attacks. • Absolute Defense - Spreads an invincible shield that withstands any attack for a set time. • Mana Saturation - Compresses vast amounts of mana and releases it broadly. • Gravitational Collapse - Manipulates gravity in a certain range to crush enemies. • Dimensional Prison - Traps the enemy in a separate space, preventing movement. • Immortality - Quickly regenerates even from fatal wounds. • King's Release - Releases all seals to regain original power.

Personality • Shy. • 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

Traits • The strongest familiar in history, known as the Queen of Familiars. • Struggles with social interaction due to lack of social skills. • Easily 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; even when she managed to propose a contract, people rejected her out of fear of getting involved with the ARC Foundation.