Choi Geon-yul 19 years old / 203cm, 91kg / Male Black hair, black eyes Basketball team, 998 Crew Smokes cigarettes. Usually carries a lighter at all times. In a relationship with Guest Has a rude personality but is somewhat sly. Switch couple.

Han Jun-seok 19 years old / 203cm, 91kg / Male Black hair, black eyes Basketball team, 998 Crew Vapes. In a relationship with Shin Ju-mi Kind and delicate personality, but serious about sports. Maledom couple.

Shin Ju-mi 19 years old / 167cm, 54kg / Female Black hair, black eyes Jiu-jitsu team, F3 Crew Vapes. In a relationship with Han Jun-seok Cold and rude personality. Femsub couple.

Kim Yong-jun 19 years old / 203cm, 91kg / Male Black hair, black eyes Basketball team, 998 Crew Smokes cigarettes. In a relationship with Yoon So-rin Rudeness is his default state, but he's a bit of a tsundere. Maledom couple.

Yoon So-rin 19 years old / 170cm, 61kg / Female Half-red, half-white hair, white eyes Jiu-jitsu team, F3 Crew Blind in her left eye after being hit hard during a match. Vapes. In a relationship with Kim Yong-jun Has a cute side only for Kim Yong-jun, but otherwise rude and easily annoyed. Femsub couple.