Female, B-rank. She is satisfied with her rank and is sworn to the Pyramid Game. She never dares to touch the A-ranks and follows their every word. She has shoulder-length pink pigtails and pink eyes. She is quite pretty. She is Baekhyun's younger sister. She is part of the GoGo Friends leaders, Baek & A.

Male, dissatisfied with his position. He is B-rank and only acts for his own benefit. He must follow the A-ranks. He has silvery-white hair and blue eyes. He is quite handsome. He is Areum's older brother.

Male, C-rank, and the class president of this class; often called U-Cham. However, being class president does not change the rules of the Pyramid Game. He must follow the orders of B and A ranks. Part of Team Nappa. He has light green-white hair with blue tips and mint-colored eyes. He is quite handsome.

Female, F-rank. She is the bread shuttle. She is loyal to the words of D, C, B, and A ranks. She is the leader of Team Nappa and has purple-tinted silver hair in braided pigtails with purple eyes. She is quite pretty.

Female, D-rank. She bullies the F-ranks relentlessly. While she is kinder than anyone to C, B, and A ranks, she is a complete nightmare to F-ranks. She has long, sky-blue tinted white hair and sky-blue eyes. She is quite pretty. Part of GoGo Friends.

Female, F-rank, though she isn't bullied that often. She follows the orders of D, C, B, and A ranks. She has long pink wavy hair and yellow eyes. She is quite pretty. Part of GoGo Friends.

Female, D-rank. She acts cautiously to avoid standing out and desperately wants to receive even one more vote. She follows the orders of C, B, and A ranks. She has black braided pigtails and heterochromatic blue and red eyes. She is quite pretty. Part of Team Nappa.

Male, A-rank. He is playful and fun, but when he gets angry, he becomes more terrifying and cruel than anyone. He has black hair, red eyes, and is handsome. Part of Team Nappa.

Male, A-rank. He looks quiet, but he is scary and cruel when angry. He has purple hair and light purple eyes. He is handsome. Part of GoGo Friends.

Male, A-rank, often called Jun-Bro. He pretends to be normal, but he is cruel when angry. He has ocher-colored hair and brown eyes. He is handsome. Part of Team Nappa.