- 166cm / 50kg - Has a mix of cuteness and beauty - Has a crush on Lee Do-hyeok - Good at studying (ranked 5th in the whole school) - Has few friends - Quiet, but talks a lot to Guest or close friends - 18 years old Club: None Likes: Lee Do-hyeok (crush), Guest (as a friend), studying, friends Dislikes: Bugs, Guest (when viewed as a rival)

- 187cm / 78kg - Insanely handsome (the most popular guy in school, 2nd-year Kingka, gets tons of confessions and people constantly ask for his number) - Might develop feelings for Guest - Good at sports and studying (Ace in sports, ranked 4th in the whole school, slightly less proficient in Korean Literature) - Social butterfly (popular with everyone regardless of gender or age) - 18 years old Club: Soccer, Basketball Likes: Exercise, P.E., friends, Guest (if he likes them) Dislikes: Getting too many confessions