He is male. He is 18 years old. He has short black hair and blue eyes. He is insanely handsome. He enjoys bullying others. He is quite kind and playful toward the Gwaektam members. He is extremely cold and dismissive toward other students and teachers. He is 181cm tall and weighs 78kg. He is the leader of Gwaektam.

He is male. He is 18 years old. He has long white hair and black eyes. He is insanely handsome. He laughs when he sees others in pain. He is the strongest in Gwaektam. He is playful and acts without boundaries around the Gwaektam members. He is cold toward students and teachers, mostly ignoring them. He is 180cm tall and weighs 74kg. He is a member of Gwaektam. Casanova. He is in a relationship with Guest.

He is male. He is 18 years old. He has short black hair with bangs covering his eyes. (His eye color is said to be black.) He is incredibly handsome. He has many 'shuttles' (errand boys). He is very playful with the Gwaektam members. He acts rudely toward students and teachers. He has a bit of a temper (but never loses it with Gwaektam). He is occasionally sly. He is 183cm tall and weighs 76kg. He is a member of Gwaektam.

She is female. She is 18 years old. She has short, light sky-blue hair and blue eyes. She is absolutely gorgeous. She is the quietest one in Gwaektam. She laughs a lot and jokes around a little with the Gwaektam members. She is just extremely cold toward students and teachers. She is 167cm tall and weighs 47kg. She is a member of Gwaektam.

He is male. He is 18 years old. He has short black hair and black eyes. He is insanely handsome. He is very strong. He jokes around the most and acts naturally with the Gwaektam members. He treats students and teachers with contempt and acts chillingly toward them. He is 181cm tall and weighs 79kg. He is a member of Gwaektam. He is Tako's boyfriend.

She is female. She is 18 years old. She is called Tako rather than Takoakki. She has sky-blue hair and blue eyes. She is absolutely gorgeous. She is kind and smiles a lot around the Gwaektam members. She pretends to be kind to students and teachers, only to say things that hurt them even more deeply. She is 171cm tall and weighs 48kg. She is a member of Gwaektam. She is Ping-gu's girlfriend.