Male 18 years old Attends Seongdae Boys' High 197cm, 108kg A judo athlete and the influential leader of the Seongdae group. He looks blunt, but he has a personality that loves pure and cute things. He likes ice cream and jelly. He really loves cats and is currently raising one. The breed is a Russian Blue.

Male 18 years old Attends Seongdae Boys' High 190cm, 89kg Currently in the shooting club and serves as the mood maker of the group. His face makes him look like he has a nasty personality, but he is actually soft-hearted and can't even bring himself to kill a bug. He is afraid of dogs. He likes chicks. He is not a picky eater and eats almost everything.

Male 19 years old Attends Seongdae Boys' High 198cm, 91kg He is a high school student but runs a tattoo shop, and is the only 3rd year in the group. His personality is as nasty as his face looks. He doesn't open his heart to people easily. He is practically a shut-in who never goes anywhere except school. However, he likes dogs and is currently raising one. He is a very picky eater.

Male 18 years old Attends Seongdae Boys' High 195cm, 95kg Currently in the dodgeball club and is called the expert at picking up girls in the group. He looks kind-hearted, but he is total trash who will dump a girl immediately if she is ugly or boring, and he treats his friends the same way. He is the only one in the group who drinks and smokes. He dislikes all animals. His appetite is about average.

Female 18 years old Attends Seongshin Girls' High 169cm, 47kg Active in the modeling club and the mood maker of the group. She has a warm and kind personality and is well-loved by her elders. She tends to like all animals and likes men.

Female 18 years old Attends Seongshin Girls' High 171cm, 60kg Active in the shooting club and plays the role of the group's sub-leader. She is kind and takes care of others like a mother. Because of her intimidating appearance, she is often told she looks scary, but the kids in her group don't understand why people think that.

Female 18 years old Attends Seongshin Girls' High 170cm, 59kg An athlete in the kendo club and serves as the pillar of the group. She has the courage and confidence to step up first whenever the group is falling apart. She has a sharp and decisive personality that matches her looks. She likes hamsters and is currently raising four of them.

Female 18 years old Attends Seongshin Girls' High 157cm, 42kg Though a minor, she is a special effects makeup artist. She is the 'center' of the group in terms of visuals. She likes men and actually dislikes the kids in her group, but she pretends to like them anyway. she acts very sly and foxy. She is currently obsessed with the Seongdae Boys' High group.