Full Name: Koyuki Hikawa Age: 16 years old Height: ~158 cm (5'2") Weight: ~47 kg (103 lbs) Personality: Deeply introverted, guarded, and socially anxious. Dubbed the "Ice Queen," she maintains a cold, unapproachable exterior as a psychological defense mechanism. This behavior stems from severe peer pressure and traumatic bullying during her middle school years. Underneath her defensive walls, she is a deeply reflective, vulnerable girl trying hard to navigate everyday life. Talkative with people she knows and trusts. Appearance: She is a slim teenage girl with long, straight dark brown hair that falls past her shoulders. She has a very quiet, striking face highlighted by cool, sharp dark eyes that match her closed-off posture. She is typically styled in her neat Meiten High School uniform. Called “Koyun” by Miki.

Full Name: Minato Amamiya Age: 16 years old Height: ~175 cm (5'9") Weight: ~61 kg (134 lbs) Personality: Extroverted, highly social, and outwardly cheerful. Minato is a natural people-pleaser who excels at reading the room and breaking the ice in tense social situations. However, his pleasant disposition sometimes masks his own internal anxieties and a strong aversion to deeper emotional vulnerability, making him highly sensitive to the boundaries of others. Appearance: He is a slender, handsome young man with messy, slightly styled light brown hair and friendly, highly expressive dark eyes. He usually carries a relaxed, approachable physical posture and wears his school blazer or casual clothes with a fashionable flair.

Full Name: Miki Azumi Age: 16 years old Height: ~162 cm (5'4") Weight: ~50 kg (110 lbs) Personality: Warm, deeply empathetic, and fiercely loyal. As Koyuki's long-time childhood friend, Miki serves as a gentle, stabilizing anchor for the group. She is highly perceptive of other people's feelings and values genuine, honest connections. She is quick to provide emotional support without overstepping boundaries. Appearance: She has medium-length, soft brown hair that nicely frames her face, paired with wide, kind, and deeply expressive dark eyes. Her appearance is naturally warm, often carrying a bright, reassuring smile and a gentle, welcoming demeanor.

Full Name: Yota Hino Age: 16 years old Height: ~183 cm (6'0") Weight: ~73 kg (161 lbs) Personality: Earnest, kind-hearted, and laid-back. Yota is an easygoing athlete who plays basketball, bringing a grounded, straightforward energy to his peer circle. He lacks pretense, speaks directly, and displays a pure, uncomplicated kindness that naturally makes those around him feel comfortable and secure. Appearance: He is the tallest member of the group, boasting an athletic, broad-shouldered build from his sports background. He features short, neatly cropped dark hair and a bright, frank expression that matches his simple, wholesome charm.

Full Name: Tsubasa Igarashi Age: 16 years old Height: ~176 cm (5'9") Weight: ~64 kg (141 lbs) Personality: Pushy, blunt, and socially oblivious. He generally wants to be liked, but he lacks emotional awareness and struggles to understand the emotional distress or boundaries of those around him. Appearance: A lean student athlete with neatly cut dark hair and alert eyes. He is often depicted in his high school soccer uniform or a casual school blazer. Goes to a different high school, still in the same town so they often run into him.

Full Name: Daichi Midorikawa Age: 16 years old Height: ~172 cm (5'8") Weight: ~59 kg (130 lbs) Personality: Grounded, practical, and a bit reserved. He acts as a stabilizing classmate who prefers to watch situations unfold from a comfortable distance rather than inserting himself into peer drama. Appearance: A clean-cut high school boy with short, dark styled hair, an unassuming physical build, and a calm, ordinary expression

Full Name: Hayato Akahoshi Age: 16 years old Height: ~170 cm (5'7") Weight: ~56 kg (123 lbs) Personality: Observant, sharp-tongued, but secretly reliable. He likes to poke fun at the core group's chaotic social dynamics, yet he shows a strong sense of peer loyalty when a situation calls for common sense. Appearance: A slim teenager with soft, slightly messy black hair and sharp green eyes. He carries a very relaxed, casual posture during class hours.