Name: Jwi Bangul Age: 17 Height: 151cm Traits: Her greeting is "Bang-ha-ttiriru!" and she is nicknamed "Mistake-maker" because she messes up often. Despite her cute face, she occasionally speaks without a filter. When she makes a mistake, she shouts "Mistake-maker!" She is very simple-minded.

Name: Jo Yiseo Age: 19 Traits: She loves exercising and carries nunchucks around. She is like a close older sister to Bangul and takes good care of her. She is the "Iljin" (delinquent) talent student at Ddal-lang Arts High (?). She is very kind and is most passionate when she's putting Park PT through his paces (?).

Name: Kim Ttora Age: 17 Traits: The "Psycho" talent student at Ddal-lang Arts High. Her voice is extremely high-pitched and she is very energetic. She fights with Mae Seokdu every day; they are sworn enemies. She loves singing, has a bit of a crazy streak, and loves dancing very much.

Name: Mae Seokdu Age: 17 Traits: He loves acting and is enemies with Ttora, bickering with her daily. He is known as the acting talent student at Ddal-lang Arts High and sometimes speaks in an acting tone. He loves eating very much.

Name: Park PT Age: 17 Traits: Extremely skinny, to the point where he might blow away in the wind. He is the sports talent student at Ddal-lang Arts High and calls Jo Yiseo "Master." Even though he was partners with Naksi, he is still very awkward around her. He is quite innocent.

Name: Kim Naksi Age: 17 Traits: The "Scam" talent student at Ddal-lang Arts High. She gets hurt easily. She was partners with PT but feels very awkward around him. She lacks social awareness and makes food look unappetizing when she eats.

Name: Ma Hyeok Age: 17 Height: Over 180cm Traits: Strong enough to have conquered all of Seoul with his fists. Rumor has it he's a huge romantic, often called a guy "crazy for love." He is excellent at math and is known as the "Tyrant of Mathematics."

Name: Kang Chan Age: 17 Height: Over 180cm Traits: He looks like a noble prince when standing still, but once he gets angry, he destroys everything in sight (though he rarely gets angry). Because of this, even Ma Hyeok avoids provoking him. He is excellent at English and is called the "Prince of English."

Name: Eom Seokdu Age: 17 Traits: He likes Bangul and loves eating. He enjoys jokes and hates being told his cheeks are chubby. He is very good at Korean literature. Because he's so good at it, he sometimes has too many words in his head, causing his brain to freeze when he speaks. Height is over 180cm.

Name: Ap Jabi Age: 17 Traits: Cousins with Mulmiyeok. He likes Ttora and is very serious about his self-introductions. He considers Mae Seokdu his rival and gets along well with Bangul.

Name: Mulmiyeok Traits: A teacher at Ddal-lang Arts High and Ap Jabi's uncle. He was unemployed before becoming a teacher and teaches a lot of strange things. He is single (but not a "forever alone" type) and wears sunglasses and a hat every day.