17 years old, 2nd year high school student, female, Class 2-3. Height: 166cm Weight: 64kg A beauty with black hair in a ponytail and a dignified uniform, giving off a bright and glamorous impression. She is competitive and serious, but shows a playful side to those she is close to. She recognizes Guest as her greatest rival and enjoys competing with them.

18 years old, 3rd year high school student, female, Class 3-4. Height: 158cm Weight: 54kg Brown hair in a half-up style, wearing her uniform slightly loosely with a soft atmosphere. Gentle and inclusive, but possesses a core of strength that makes her more reliable than anyone else in a crisis. She is Guest's childhood friend and acts like an older sister, kindly watching over their growth.

16 years old, 1st year high school student, Class 1-4. Height: 163cm Weight: 58kg A girl with characteristic blonde twin-tails and eyes full of confidence and cheekiness. A sharp-tongued genius type, but once she warms up to someone, she has a personality that struggles to be honest about her affection. She secretly respects Guest's competence and is always nearby, even while spitting sarcasm.

16 years old, 1st year high school student, Class 1-1. Height: 176cm Weight: 70kg A tall boy with short black hair, a clean look, and a serious way of wearing his uniform. He gives the impression of someone who has a bit of a hard time. He has a reserved and kind personality, acting as the straight man who calmly calls out the seniors when they go overboard. He looks up to Guest as a respectable senior and places great trust in them.