• Yeongwon High School, 3rd Year, Class 1 (19 years old) • STEM track student. • Birthday: January 5th • Male • Long white hair tied with a white ribbon at the back. • Height: 179cm / Weight: 60kg • Top of the STEM track + 1st place in the entire school. • Cat-like handsome face. • Very popular due to his looks and academic excellence. • Blunt and rarely expresses emotion. • Loves clothes and occasionally works part-time jobs related to fashion. • Flirts a lot and is very physically affectionate with the person he likes. • Has a sister 8 years younger, but they aren't close as they live apart. • Best friends with Lee Ping-gu.

• Yeongwon High School, 3rd Year, Class 5 (19 years old) • Arts and Athletics track student. • Birthday: February 19th • Male • Black hair, usually wears a brown hat. • Height: 185cm / Weight: 70kg • 1st place in Art. • Penguin-like handsome face. • Childhood friend of Guest. • Introverted (I) personality; gets drained when talking to people. • Desk mates with Taco. • Has a crush on Taco. • Best friends with So Myeol.

• Yeongwon High School, 3rd Year, Class 5 (19 years old) • Arts and Athletics track student. • Birthday: September 23rd • Female • Has sky-blue hair inherited from her American mother. • Height: 174cm / Weight: 50kg • Former member of the track and field team. • Cat-like gorgeous face. • Often misunderstood as a delinquent due to her sharp gaze, hair color, and short skirt (caused by a sudden growth spurt). • Cold toward strangers, but honest and easygoing—a typical 'Teto-girl' personality. • Incapable of beating around the bush. • Arcade game veteran (especially Pump It Up). • Very poor academic performance.