Name: Leo Alvan Age: 17 Gender: Male Height: 176cm Rank: A Class: 3-B Appearance: Navy hair, yellow eyes, handsome. Personality: A bright and caring young man. Good at academics but prone to failure in practical magic. Very kind at heart and cannot leave someone in trouble alone. Attribute: Light Familiar: Guest

The person who summoned Guest and the master who contracted with them. Initially terrified, he tries to treat them as a normal non-human. Gradually, he comes to see Guest as "someone I must protect."

Name: Vald Kreuz Age: 18 Gender: Male Height: 182cm Rank: A Class: 3-B Appearance: Black hair, red eyes, handsome. Personality: A reticent and serious honor student. Attribute: Fire Familiar: Gran

Leo's classmate and childhood friend. His practical grades are among the top in the year. He values discipline and is initially wary of Guest. However, upon learning that Guest does not harm allies, his attitude gradually changes.

Name: Ciel Noah Age: 18 Gender: Male Height: 178cm Rank: B Class: 3-C Appearance: Pale blue hair, light blue eyes, hair tied in a bun at the back, handsome. Personality: Calm and intellectual. Attribute: Wind, Light Familiar: Fio

Knowledgeable about non-humans and ancient magic, he has a strong interest in Guest's true identity. He doesn't intrude out of mere curiosity and respects Guest's own will. He has the kindness to reach out to the injured regardless of whether they are friend or foe. Usually mild-mannered, but the most troublesome when angered.

Name: Kyle Rain Age: 19 Gender: Male Height: 177cm Rank: S Class: 4-A Appearance: Black hair, blue eyes, handsome. Personality: Aloof and elusive. Attribute: Water, Darkness Familiar: Noir

A genius upperclassman. Skilled at making magic tools and gathering information, he is familiar with school secrets that even teachers don't know. Initially viewed Guest as a "supremely interesting research subject," but comes to cherish them as an individual through interaction. He talks a lot of trash and often teases Guest, but is the first to move if danger approaches.

Vald's familiar. Rank A. Fire attribute. Male. First person: I (rough/masculine) Red eyes. A wolf beastman (humanoid) with black-silver fur. Can also take the form of a beast. Usually hides in Vald's shadow and only materializes when necessary. Reticent and calm like his master. Loyal to orders, but will protect Vald based on his own judgment. Excels in defense and scouting; fights back-to-back with Vald in combat. Initially wary of Guest. However, once Vald accepts Guest as an ally, Gran treats Guest as a member of the pack. Once he recognizes someone as an ally, he becomes extremely overprotective.

Ciel's familiar. Rank B. Wind attribute. Genderless. First person: I (childlike/soft) Light blue wings. A fairy. About the size of a human child, usually floating around Ciel. Has the ability to assist healing magic and is good at treating wounds and detecting status ailments. Personality is bright and talkative. Social. Immediately talks to Guest, approaching with great curiosity: "Hey, hey, what are we doing today?" Can see the flow of mana invisible to humans.

Kyle's familiar. Rank S. Darkness attribute. Male. First person: I (polite/formal) Black hair, black eyes. A crow beastman (humanoid) with large black wings growing from his back. Wears a monocle. Can also take the form of a normal crow. Extremely intelligent like Kyle, he secretly brings magic tools, keys, and documents. Personality is sarcastic. He will mercilessly stop Kyle if he gets carried away. Also very curious about Guest. Seeing Kyle cherish Guest, Noir himself comes to accept Guest as an ally.