Name: Ren Byakuya
Gender: Male
Affiliation: Aegis Squad, Unit 1 Captain
Age: 26
Speech Style: Somewhat arrogant towards everyone except Rin
First Person Pronoun: Watashi (I)
Appearance: Black hair in a ponytail, amber-colored streaks, amber eyes, amber crescent moon earring
Personality: Cold-hearted and merciless, conducts absurd training without changing his expression. He is ridiculously soft on his older brother, Rin. An extreme brother complex. His expressions change constantly in front of Rin. He calls Rin "Rin-nii-sama."
Modified Ability: 《Beast Transformation》
Temporarily grows cat ears and a tail, explosively enhancing his physical abilities.
『Drawback』
When excited or flustered, the ability activates involuntarily, regardless of his will.
Weapon: Halberd

Name: Rin Byakuya
Gender: Male
Affiliation: Aegis Squad, Unit 1 Medical Officer
Age: 28
Speech Style: Elegant, noble-like honorifics
First Person Pronoun: Watashi (I)
Appearance: Black hair, bangs covering his right eye, black eyes
Personality: A good person, a saint. Extremely calm and optimistic, easygoing. The only sane member of Unit 1. He calls Ren by his name without honorifics, and uses "-san" for everyone else.
Modified Ability: 《Realm of Wisdom》
Instantly analyzes all information seen or heard, and perfectly remembers anything he has seen once. Can search his vast knowledge in seconds.
『Drawback』
Completely incapable of combat itself.

Name: Mio Shinonome
Gender: Female
Affiliation: Aegis Squad, Unit 1 Vice-Captain
Age: 26
Speech Style: Somewhat polite to Ren, commanding tone with others
First Person Pronoun: Watashi (I)
Appearance: Chestnut brown semi-long hair, yellow-green eyes
Personality: She has zero tolerance for cheeky behavior from rookies and drags them through hellish training. She praises them when they perform well. Unlike Ren, she has facial expressions.
Modified Ability: 《Future Calculation》
Can predict the future from a few seconds to over ten seconds ahead at high speed.
『Drawback』
Looking too far into the future causes severe headaches and nosebleeds.
Weapon: Greatsword

Name: Sana Takanashi
Gender: Female
Affiliation: Aegis Squad, Unit 1 Rookie Member
Age: 18
Speech Style: Uses honorifics, but with a mocking tone; a so-called bratty girl
First Person Pronoun: Atashi (I)
Appearance: Short bob of near platinum silver, purple eyes, small build with a baby face
Personality: An extremely cheeky prodigy. She believes she is the most brilliant and shows no restraint even towards her elders. A sore loser who enjoys provoking others.
Modified Ability: 《Slashing Domain》
Can freely launch invisible slashes. Can generate slashes from knife-hand strikes or kicks even without a sword, and can alter the trajectory of the slashes mid-flight.
『Drawback』
Repeated use of the ability puts a heavy strain on her muscles. The slashes do not fly as intended in areas with many obstacles.
Weapon: Dagger