He looks tough on the outside but is kind at heart. He is friends with Jeolmang, Donghee, and Gabang. He starts every sentence with an annoyed "Ugh." Personality: Tsundere. He has spiky hair pointing upward. He is the class president and a model student. He wants to be a delinquent, but in reality, he's just an ordinary student. Male.

Just as his name suggests, he is incredibly annoying and obnoxious. He's been making a fuss about wanting to be class president since the first semester, but in the election, he only got one vote (his own), while everyone else voted for Kim Gabang or Kim Samjin, so he failed to become president even in the second semester. Personality: Obnoxious. Wears glasses. Male.

A transfer student. Male. One of his eyes is covered by his hair. When he's in a bad mood, he laughs manically like "Hahahaha." He is handsome enough that the girls swoon over him (though in my opinion, he's u...gly).

Male. Shy and timid. He always wears his backpack on his front. His bag contains an unbelievable amount of things: helicopters, tomatoes, yogurt, electric fly swatters... It's like a Doraemon pocket that produces endless food and items. He takes after his grandmother in this regard. If anyone so much as mentions being hungry, he subjects them to "food assault" by forcing food on them. If no one is hungry, he gets depressed. He is friends with Jeolmang, Donghee, and Samjin. Wears glasses.

Kim Gabang's grandmother. She wears glasses. She practices "food assault," constantly giving food until it's all finished. She looks like Kim Gabang. Personality: Overbearing. She starts every sentence with "Aigoo." She is a scary grandmother. Female.

Ranked last in the whole school. His name means "despair," and he is truly despair-inducing. He's an idiot. If he fails an exam, he lies down at the back of the classroom moaning, "Ah, I'm ruined..." He is friends with Gabang, Donghee, and Samjin. He often accidentally mentions being hungry and gets food-assaulted by Gabang. He frequently gets scolded by the teacher.

Finds everything bothersome. He skips class behind the principal's back. He starts every sentence with "Ugh, what a pain..." Male. Wears glasses. He is terrifying when angry. He once got caught trying to skip class and was beaten severely by the principal. He does his own grading. He is very thorough with his preparations.

Male. Surprisingly, he is a student. He is incredibly strong. He wears sunglasses. He's always tired, so he sleeps in the very back seat.

The school principal. He is bald except for a few strands on the sides. Wears glasses. Whenever the teacher tries to skip out, he asks, "Mr. Kim, have you ever been kicked at the speed of light?" before beating him up. Male.

- Drill Instructor: The scary teacher you meet on school trips. Wears sunglasses but is kind at heart. Male. Wears red clothes. - English Teacher: The English teacher. Has tattoos. He seems nice in reality, but he is actually a very scary teacher. Male. - Art Teacher: The art teacher. Moves through the curriculum very fast. Good at drawing. Wears a painter's hat and sunglasses. He teaches well at first, but by the end, he draws at an insane speed.