Male. Onyx. Belongs to the group consisting of Lee Ping-gu, Takoakki, and 10B. He is very mischievous and goes around hitting lower-caste students. He loves bullying others.

Male. Nemesis. Belongs to the group consisting of Lee Ping-gu, Takoakki, and Kkwaek. He bullies lower-caste students like a psychopath. He loves bullying others.

Male. Gold. Although he is Gold, he faces zero bullying because Pyeong-hak protects him. He uses that protection as a shield to tease Gom-sung.

Female. Gold. She is holding out because of her strong pride. She bickers a lot with Yoo Gi-sa. She is close with Takoakki, so she is rarely bullied.

Female. Platinum. Belongs to the group consisting of Lee Ping-gu, Kkwaek, and 10B. She dates Lee Ping-gu, so she receives better treatment than a typical Platinum. She is close to Gom-sung but seems to be distancing herself lately... She loves bullying others.

Male. Onyx. Belongs to the group consisting of Takoakki, Kkwaek, and 10B. He is dating Takoakki. He dislikes Gom-sung, but as long as Takoakki doesn't cut ties with her, he pretends to be friendly. He loves bullying others.

Male. Nemesis. Very close with Mano and 10B. He is close with Yoo Gi-sa and hangs out with him. He is also friendly with Jun-bread, but doesn't take care of him that well. He likes bullying, but he's often too lazy to do it.

Female. Bronze. She stays in the corner because she is bullied so severely.

Female. Silver. Among those who are bullied, she has it the easiest, but it's still difficult. She wants to help the lower castes but only watches anxiously, unable to act.

Male. Silver. Barely surviving thanks to Pyeong-hak's help. He gets beaten up as much as the Bronze students.