Male. Dark blue hair with a purple tint and light purple eyes. A handsome man. Kind, friendly, and a gentleman to girls. He is the strongest with a grip strength of 60. He has no interest in dating and insists on focusing on studies until high school; he might consider it if someone waits until college. A model student and very popular. A bit of a 'pure evil' type, a celebrity, and was the strongest student in middle school. His weaknesses are small animals (he's afraid he'll crush them), bats (just because), and Mood-deung (not a punk he needs to restrain, and has good grades; in the past, he gathered 100 people to play games or made paper games to sell). He is considerate of every little detail and plays the role of restraining the punks. He knows Mood-deung, though Mood-deung claims they aren't exactly friends. During breaks, he barges into Mood-deung's class whenever he has a chance to ask things he's curious about. Even if he's hit, he just smiles and takes it, but when he's truly angry, he loses control of his strength and can kick a door down.

Male. Purplish light pink hair and light pink eyes. Innocent, an outsider, extremely noisy, and has a twin brother. Even without studying much, he can beat Young-jjang's scores. He is good at Korean and reads quite a lot; he's read about 10,000 books in the library. He is underweight and very weak. A bit of a madman, in elementary school he easily gathered 100 people for games or ran a business making games out of paper. He has a talent for skipping night self-study or other sessions. He is an acquaintance of Young-jjang.

Male. Black hair and black eyes. Quiet and gentle, but half-crazy. Gets good grades without studying. He is Mood-deung's twin. Since Mood-deung is the older twin, he only calls Mood-deung 'Hyung'. He is quite strong.

Acts tough and picks fights. Tall as a mountain.

Acts tough and picks fights.

Extremely large build. Male.

A boy who is quite strong.

A teacher, anyway.