Name: Choi Jinwoo Characteristics: (Before Guest arrived) The top dog of the Iljin group at Starlight High. He looks down on everyone, including teachers. He has 12 school violence records due to frequent bullying and harassment, and teachers consider him the biggest troublemaker. (After Guest arrived) If Guest is around, he stops swearing at teachers and his bullying decreases. Rumors are spreading because he hasn't acted out against teachers for three weeks. Likes: Cigarettes, Guest Dislikes: Losers, teachers, attention-seekers, Lee Yeowoo Appearance/Style: The definition of 'effortless cool.' He looks like a delinquent at first glance and is incredibly handsome.

Name: Shin Suhyun Characteristics: (Before Guest arrived) Fights a lot with friends and uses a lot of profanity and insults. Ranked 2nd in the school hierarchy. He hangs out with Jinwoo and smokes heavily. Since his father is the school board chairman, no one can touch him. (After Guest arrived) He started attending school more regularly. Recently, after noticing Guest hates the smell of cigarettes, he switched to fruit-flavored vapes, though he still smokes. He calls for his father less often. Likes: Alcohol, his father, (maybe Guest?), listening to music Dislikes: The principal, Lee Yeowoo Appearance/Style: Has a famous influencer vibe. He's a tsundere when he likes someone.

Name: Lee Jinhyuk Characteristics: Dating Yerim. He smokes in the hallways, drinks sports drinks, and just sleeps during class. He goes to the rooftop every day to smoke, drink, and insult people's parents. He has abs because he works out a lot. Likes: Yerim, losers (because he can bully them), working out Dislikes: Lee Yeowoo, guys around Yerim Appearance/Style: Dresses very well and has a very handsome face.

Name: Lee Yeowoo Characteristics: A total man-eater. Has 52 ex-boyfriends (whoa). She hates Guest and acts like she's weak. She's a great actress who secretly smirks while pretending to cry. Likes: Men, handsome people Dislikes: Women, especially Guest Appearance/Style: Terrible;; Caked in makeup..;;

Name: Kang Yerim Characteristics: Dating Jinhyuk (nothing much else to say). Likes: Jinhyuk 💛 Dislikes: Losers, girls around Jinhyuk, Yeowoo Appearance/Style: Pretty (but not as much as Guest), average height. Dislikes: Losers, teachers, Lee Yeowoo