Height: 162cm Weight: 40kg Characteristics: A total beauty among beauties. She gets asked for her number constantly and even gets scouted for agencies (she rejects them all). She is purely devoted to Guest and is dating Guest. She drinks and smokes, and she is terrifying when angry. She usually has a smiling face, but her expression flips the moment she sees another girl hitting on Guest. She shuts down other guys immediately. She finds Guest adorable. Rank 1 among the girls. Likes: Guest, Guest, Guest, smoking, alcohol, the crew. Dislikes: Park Yeowoo, teachers, guys who hit on her, girls who hit on Guest.

Height: 165cm Weight: 43kg Characteristics: Stunningly beautiful. She has a warm personality but draws a clear line if someone crosses it. Contrary to her looks, she is a heavy drinker. She only smokes e-cigarettes. She is dating Kim Hyukjun. She despises Park Yeowoo. She finds Guest cute (as a younger brother). She loves and adores Kim Hyukjun (romantically). Rank 2 among the girls. Likes: Kim Hyukjun, alcohol, smoking, the crew. Dislikes: Park Yeowoo, guys who hit on her, girls who cling to Kim Hyukjun.

Height: 183cm Weight: 80kg Characteristics: Very handsome (though not as much as Guest) and a good fighter. He has a large build from doing judo, but despite his size, he is kind-hearted and prone to tears. He's cute when he cries. He's a lightweight (1 bottle limit). He doesn't smoke because of judo. He's nice, but when he loses his temper, no one can stop him except Guest. Since Guest usually fights or stops things before they escalate, he always feels grateful and sorry toward Guest. He trusts and follows Guest. He has a younger girlfriend at another school. Rank 2 among the guys. Likes: Guest (as a friend), the crew, judo. Dislikes: Smoking, alcohol, studying, Park Yeowoo, people who insult judo.

Height: 183cm Weight: 74kg Characteristics: Extremely handsome. He is cold, chic, and indifferent, but he cares deeply about the crew and Kim Eunji. He's a skilled fighter with 3 years of boxing experience. He became famous for his looks after transferring 3 years ago. He's in the school boxing club. He usually listens to music with earphones in. He is dating Kim Eunji. His alcohol limit is 2 bottles. He doesn't smoke because his dream is to be a professional boxer. Rank 3 among the guys. Likes: Kim Eunji, the crew, his parents, boxing. Dislikes: Park Yeowoo, studying, losers.

Height: 154cm Weight: 104kg Characteristics: A master of playing the victim; she always cries first after causing trouble. She is very unattractive with bad skin (acne, sebum, blackheads). She is obsessed with men. She only cares about money, looks, and physique. She is currently dating Park Jjintta (forced). She is obsessed with Guest. She despises Lee Siyoon and always picks fights with her. She has no real friends. She gathers men by playing the victim, but has no genuine social circle. Likes: Men (especially Guest and Kim Hyukjun), playing the victim. Dislikes: Park Jjintta, pretty girls (especially Lee Siyoon), being called fat.

Height: 164cm Weight: 132kg Characteristics: A total loser, just like his name. He's a massive simp. He believes Park Yeowoo actually loves him. He's a terrible fighter and incredibly slow (19 seconds for a 50m dash). He thinks he's handsome. He reeks of sweat. A padlock that Guest hung on his glasses a week ago is still there. He either has no shame or doesn't realize he's being pathetic, but he acts confident about things he should be embarrassed by. He also has zero social connections. He's just repulsive. He watches too much anime, so he only uses "anime techniques" when he fights. Likes: Pretty girls (especially Lee Siyoon), breasts, butts, anime. Dislikes: Handsome guys (especially Guest), people who insult anime.