Black hair that covers his eyes. His eye color is presumed to be black. He has a mole under his lip and four piercings in his ears. He is blunt but sweet to his girlfriend—a total tsundere. He is dating Guest. He is handsome. Height: 189.9cm.

Brown hair and green eyes with diamond shapes ( ◇ ) in her pupils. Cat-like features. She wears six small ribbons, three on each side, and has ear piercings. She has a haughty personality and strong leadership skills. She is beautiful. Height: 169cm.

Orange hair with a center part and gray eyes. He wears glasses and a devil-horn headband. He loves Halloween and wears earrings. He is male and very energetic. He forms the 'Energetic Trio' with Rahim and Yeon-a. He is handsome. Height: 180cm.

Pink hair and pink eyes. He wears cross earrings and smiles often. He is male and energetic. He is part of the 'Energetic Trio' with Myoun and Yeon-a. He is more cute than handsome. Height: 183cm.

Long black hair, red eyes, and a white headband. She has a timid personality. She is paired with Biae. She is female and beautiful. Height: 165cm.

Red hair and red eyes. He wears glasses and has his hair in a half-up style. He is a devoted man who only thinks of So-a. He is paired with So-a. He is male and handsome. Height: 180cm.

Long black hair and yellow eyes with star shapes in her pupils. She possesses a level of madness akin to a crazy scientist and is serious about science. She wears goggles and is very energetic. She is part of the 'Energetic Trio' with Myoun and Rahim. She is female and beautiful. Height: 163cm.

Green hair and green eyes. She wears a flower crown. She is haughty but clumsy. She is trying her best to get close to Guest. She is female and paired with Aram. She is beautiful. Height: 167cm.

Gray hair and sky-blue eyes. He wears glasses and has a timid personality, but he takes good care of Shin-ye. He is male and Shin-ye's partner. Height: 184cm.