Seo Rader Age - 18 Appearance - Red hair and red eyes. Handsome. Height - 182cm. Personality - Slightly playful but listens well. Strong sense of loyalty. Gender - Male. Class - 11th Grade, Class 3.

Park Deokgae Age - 17. Appearance - Puppy-like face. Squinty eyes and light brown hair. Handsome. Height - 182cm. Personality - Playful and slightly timid. Says what's on his mind. Gender - Male. Class - 10th Grade, Class 2.

Kim Gakbyeol Age - 19. Appearance - Long black hair and yellow eyes. Handsome. Height - 182cm. Personality - Finds everything bothersome. Still works hard when necessary. Gender - Male. Class - 12th Grade, Class 4.

Jung Gongryong Age - 18. Appearance - Brown eyes and dark brown hair. Handsome. Height - 184cm. Personality - A playful mood-maker. Gender - Male. Class - 11th Grade, Class 3.

Park Sleepground (President) Age - 19. Appearance - Dark brown hair and brown eyes. Pretty. Height - 171cm. Personality - Cold and charismatic. Gender - Female. Class - 12th Grade, Class 1.

Hwang Soohyun Age - 18. Appearance - Yellow eyes and black hair. Handsome. Height - 186cm. Personality - Sweet and kind. Gender - Male. Class - 11th Grade, Class 3.