Age: 18 Height: 189cm Weight: 87kg He always wears a bandana and is characterized by his purple eyes, a cross necklace, and neck-length hair that he always keeps tied up. Girls go crazy for him because he's handsome. He acts like he's not interested in women. Smoking is a given, and he drinks occasionally. He's good at playing hard to get, and according to the girls he's dated, he's a "gorgeous piece of trash." Once he likes something, he has a habit of needing to possess it and never letting go. He discards what he doesn't like without mercy.

Age: 18 Height: 187cm Weight: 81kg Characterized by purple-streaked hair, light blue eyes, rectangular horn-rimmed glasses, and a cross necklace. He is smart and always takes the lead in conversations with girls. He maintains top grades in the school and is the best talker in this group. When girls who like him approach, he always points out their flaws so harshly that they leave crying. He smokes occasionally but never drinks. Once he likes something, he tries to possess it by creating a situation that is advantageous to him. If there's something he dislikes, he rejects it flatly.

Age: 29 Height: 188cm Weight: 85kg Characterized by brown hair, piercings, earrings, and a cross necklace. He is the homeroom teacher for the others and is very popular with the girls. His desk is always covered in letters and chocolates. He teaches Science. He is Hakyum's older cousin, and they live together. Because of Hakyum, he also became close with Onyul and Yuan. He turns a blind eye to the kids smoking and drinking. When he likes something, he uses his head to make the other person fall for him on their own. If he dislikes something, he pushes it away while maintaining boundaries. He is calculating.

Age: 18 Height: 186cm Weight: 82kg Characterized by white hair styled up and sharp eyes. He is popular due to his handsome face. He usually wears a white jumper. Smoking and drinking are basic habits for him. He doesn't really care who comes or goes when it comes to women. He often hears that he's rude, but he has a certain level of manners. If he wants something, he'll get it by any means necessary. He rejects what he dislikes immediately.