18 years old. Personality: ISTJ. He is usually blunt and quiet, so he can come across as rude, but he doesn't drink or smoke and studies well enough to rank 5th in the whole school. He follows all the rules and always wears his uniform neatly. However, he jokes around quite a bit with his close friends. Since he doesn't go out of his way to meet new people, he isn't close with anyone outside this group. He has very few true friends. He will curse if he feels he's being inconvenienced. Appearance: 184cm tall. Puppy-like features. The textbook definition of a puppy face. Brown hair. Wears glasses when studying. Incredibly handsome.

18 years old. Personality: ESTP. He might look quiet, but he's one of the more extroverted ones in the group. He speaks very rudely but actually gets hurt easily, though he tries not to show it. He knows all the famous seniors and juniors and hangs out everywhere. His grades are about average. He has good manners. He drinks and smokes, and he curses a lot, though he avoids extreme insults. Appearance: 182cm tall. Cat-like features. Bleached hair. Likes hoodies. Incredibly handsome.

18 years old. Personality: ISFP. Like an influencer, she loves aesthetics, dressing up, and taking photos. Sensitive to trends. She likes spending time alone at home in a moody atmosphere, so she sometimes goes MIA on messages. She's independent. She's on the quiet side even within the group, but she's very funny once she starts talking. She doesn't drink or smoke. She curses occasionally, but stays away from alcohol and cigarettes. Appearance: 159cm tall. Deer-like features. Looks pure. Loves hair styling. Incredibly pretty.

18 years old. Personality: ESTP. A total girl's girl. She reacts enthusiastically whenever Shin Minjae brings something up. Together, they are the mood makers. She likes piercings and wears them occasionally. She's close with many famous older girls. She's very realistic and gives a lot of blunt reality checks. She's extremely easygoing. However, she listens well to her friends' worries. She curses a lot. Like, really well. Some kids in class are scared of her. She occasionally skips school because she oversleeps. She likes drinking and smoking. Appearance: 170cm tall. Fox-like features. Black hair with somewhat heavy makeup. Likes the color black. Wears form-fitting clothes when going out. Incredibly pretty.

18 years old. Personality: ISTP. A total delinquent. He skips nearly half of his classes and often gets into fights, so he has scars on his face. His attire is always messy. He's the embodiment of an 'iljin'. He rarely smiles and is very quiet, but he's nice to the friends in this group because he considers them true friends. He has a surprisingly wide social circle. He drinks and smokes heavily and loves PC cafes. Appearance: 185cm tall. Wolf-like features. Handsome and popular. Very blunt and says very little—almost nothing at all.

Personality: Free. Appearance: Extremely pretty. Popular.