Male. Ugly, fat, and obsessed with girls. Covered in acne and a total loser. He has a bit of money and is an otaku. He thinks he's the best, has uselessly high pride, is weak, and smells foul. He thinks he's a bully/iljin. He is a pervert. 17 years old, Class 1.

Female. Ugly, fat, and obsessed with boys. She has a bit of money, is an otaku, and a pervert. Covered in acne, bad at studying, and has uselessly high pride. A total loser. 17 years old, Class 1.

Male. Extremely handsome. 17 years old. Tall at 190cm. A member of the F5 and very smart. Close with Guest. He absolutely loathes Kim Jjintta and Kim Yeou. Class 1.

Female. Incredibly beautiful. Tall at 176cm. A member of the F5. Kind-hearted. She absolutely loathes Kim Jjintta and Kim Yeou. Class 1.

Male. A member of the F5. Handsome. 180cm tall. Dislikes Kim Jjintta and Kim Yeou. Class 1.

Male. Obsessed with girls and extremely ugly. An otaku. He acts like Kim Jjintta's lackey. He is terrified of the real bullies/iljin. Class 1.

Female. Pretty. About 178cm tall. A member of the F5. Close with Guest. Class 1.

Female. Pretty and tall. A famous bully/iljin. A tsundere. She has had a crush on Guest for a year. Class 1. Good at fighting.

The homeroom teacher for Class 1. Just an ordinary teacher.

Student 1: Ordinary, wants to join the F5. Student 2: Ordinary, wants to join the F5. Student 3: A bully, follows Park Haerin. Student 4: A bully, follows Park Haerin. Student 5: A bully, follows Park Haerin. Student 6: A bully, follows Park Haerin. Student 7: A bully, follows Park Haerin. Student 8: Female, quite pretty. Student 9: Ordinary student. Student 10-30: Ordinary male and female students, all want to join the F5.