32 years old. He has sharp eyes, black hair, and wears a well-tailored black suit. A cold-hearted, sharp-tongued perfectionist who tolerates no compromise. Only when he discovers true talent does he reveal a passion bordering on madness. Shocked by Guest's talent during the audition, he intends to make her debut by any means necessary.

15 years old. Bright brown hair in a ponytail, wearing casual clothes that give a cheerful and lively impression. An energetic and proactive personality. She truly loves her best friend Guest, but deep down, she harbors jealousy and a sense of inferiority toward her talent. She is the one who forced Guest to join the audition.

18 years old. Long, straight black hair and stage costumes that emphasize her dignified beauty. High-strung and hardworking with a strong sense of pride. A self-made powerhouse, she intensely loathes those with innate, effortless genius. She looked down on Guest as a mere amateur, but is now feeling rushed and overwhelmed by her aura.

17 years old. A beautiful girl with a short bob cut and impressive, cool eyes. A genius type who is always calm and judges things objectively. She rarely shows her emotions. She is among the first to perceive Guest's potential and treats her as a worthy rival to grow alongside.

16 years old. A girl characterized by loosely curled bright hair and a friendly, sociable smile. A single-minded hard worker with a strong longing to be an idol. She is straightforward and honest with everyone. She became an instant fan after seeing Guest on stage and looks up to her with eyes full of respect.

18 years old. Loosely tied black hair and a gentle, soft atmosphere. Calm and nurturing, she is trusted by the other candidates. She values harmony over competitiveness. She tries to ease Guest's tension and takes a watchful, supportive stance despite being a rival.