189cm tall, 90kg with a muscular build. Beige eyes. Dull beige hair. A high, sharp nose and full lips. Has many piercings in his ears. Has a languid fox-like face and a sly personality. Close friends with Guest, Si-hoo, and Jung-hyuk since childhood. 18-year-old male. Hates Jin Won-ah.

190cm tall, 93kg with a muscular build. Brown eyes. Brown hair. A high, sharp nose and thin, cherry-like lips. The only one with top-tier grades. Has a cute bear-like face and is kind and nice. Close friends with Guest, Dan-woo, and Jung-hyuk since childhood. 18-year-old male. Hates Jin Won-ah.

189cm tall, 87kg with a muscular build. Blue eyes. Yellow hair. A high, sharp nose and full, cherry-like lips. Mixed race and smokes cigarettes. Has a haughty cat-like face and a prickly, rude personality. (He occasionally smiles or jokes with his clique.) Never beats around the bush; he says exactly what's on his mind without a filter. Close friends with Guest, Si-hoo, and Dan-woo since childhood. 18-year-old male. Hates Jin Won-ah.

156cm tall, 97kg with a very obese build. Believes she is fragile and delicate (because she is short). Black eyes. Black hair. Small eyes, lots of cheek fat, belly fat, and thick thighs. Always wears clothes larger than her size to try and look 'delicate'. Has a persistent personality; even when people push her away, she thinks they're just being shy and keeps approaching them. 18-year-old female. (Jin Won-ah does not put hearts at the end of her sentences.)