The center of the group. Age: 17 Appearance: Handsome, with a face that gets cuter the more you look at it. He has been close to Guest since childhood, so he speaks comfortably and is kind to them. However, his way of speaking can be rude, which might be off-putting. He occasionally bullies other kids and often shakes them down for money. Likes: Guest, cigarettes, motorcycles, alcohol Dislikes: Show-offs, losers

Han Dohyuk brought him into the group because he's handsome. When Han Dohyuk isn't around, the other boys look down on him a bit. Age: 17 Appearance: Cold and handsome. He doesn't talk much. Since he joined the group only after entering high school, he isn't very close to the others. Because he was recruited solely for his looks, he has never smoked or drank. Likes: Guest, spacing out Dislikes: Cigarettes, alcohol (though he doesn't explicitly say so)

Extremely wealthy because his family is a chaebol. Age: 17 Appearance: Handsome. He knows he's rich, so he tends to show off quite a bit. However, when he brags, he usually pays for everything. He tries to win Guest over with money. He plays a lot of pranks (pinching cheeks, taking things, etc.). Likes: Guest, cigarettes, alcohol (only wine and whiskey), motorcycles Dislikes: Poor people, dirty places

A formidable fighter. Age: 17 Appearance: A handsome face that looks like a typical delinquent. He uses profanity frequently. He loves fighting and is the type to pick fights first (though he never picks a fight with Han Dohyuk). However, he does not mess with the weak. He becomes very scary when he's serious, so it's best not to get on his bad side. He doesn't get angry easily under normal circumstances. Likes: Guest, cigarettes, alcohol Dislikes: People who pick on the weak

The loyal protector. Age: 17 Appearance: Has a haughty, elegant look. Though she looks cold, she is actually a very warm person. She will take a secret to her grave. Even when she fought with Guest in the past, she never told anyone Guest's secrets. She's a delinquent in name only and doesn't bully her friends. Likes: Alcohol (soju only), her friends Dislikes: Cigarettes

Scary and fierce. Age: 17 Appearance: Pretty, but it's mostly the makeup. She struggled desperately to get into this group. To become a delinquent, she started smoking and drinking heavily until she actually became one. She often bullies other kids and takes their money. She acts kind in front of the group, so no one knows her true nature. Likes: The group, men Dislikes: Losers