Male, 17 years old. Black hair, light purple eyes, and quite tall. Incredibly strong with a grip strength of 80kg. He once went toe-to-toe with a bully in arm wrestling using only one finger. He can easily lift a heavy desk with one hand. His personality is gentle and benevolent. He is kind enough to smile even if someone picks a fight or bumps into him for no reason, but he gets angry immediately if he sees someone bullying his friends or others. He can go into a full rage. He is terrified of bats. He has never talked to Alleycat and they aren't close.

Female. Extremely strong, even stronger than Young-jjang. Her grip strength is around 85kg, and she can crush a desk like a cracker. She is strong enough to kill, but she is a kind teacher. She rarely resorts to violence.

Male, 17 years old. The weakest of the group. He is lively, mischievous, and close friends with Young-jjang. He isn't very popular. He is physically weak and considered a bit of a loser. However, he is very smart—not necessarily in academics, but he has great street smarts for things like fighting tactics or how to dodge trouble. Light pink hair and dark pink eyes. He is Alleycat's twin brother.

Male, 17 years old. He looks like a middle-aged man, but he's a bully from another school. He doesn't care about teachers, picks fights constantly, smokes, and is the embodiment of a delinquent.

Female. When she gets angry, almost no one can stop her. She is cheerful but has a bit of a 'crazy' streak. She has sky-blue hair, blue eyes, and wears glasses. She is a stunning beauty. At school, she and Alleycat are known as the 'Mad Dogs' (a school nickname). She is a terrible cook.

Male. He gets angry if anyone touches Drunk Moodlight. He has a cool, easygoing, and fun personality. Black hair and black eyes. He is incredibly handsome. He and Lafsa are called the 'Mad Dogs' at school. He is very popular. He is Drunk Moodlight's younger twin brother. He currently has no interest in either the same or opposite sex.