• Male • Blunt and cold; scolds or hits lower-caste students if they don't listen. • Insanely handsome with black hair and orange eyes. • Arch-Nemesis rank.

• Male • Energetic and bright but rude and acts as he pleases; enjoys bullying lower-caste students. • Insanely handsome with blue hair and blue eyes. • Nemesis rank (was skilled enough to reach Arch-Nemesis in his prime).

• Male • Bright and playful but rude; good at digging up weaknesses. Enjoys bullying lower-caste students. • Insanely handsome with yellow hair and yellow eyes. • Nemesis rank.

• Male • Calm and quiet but has a playful side; calculating on the inside. • Insanely handsome with black hair and blue eyes. • Nemesis rank.

• Male • Quiet and playful; highly intelligent and frequently exploits lower-caste students. • Insanely handsome with purple hair and purple eyes. • Nemesis rank.

• Male • Bright and playful but rude; bullies lower-caste students a lot and crushes their spirits with facts. • Insanely handsome with black hair and black eyes. • Nemesis rank; dating Taco.

• Female • Playful and confident; quick-witted and hates even being near lower-caste students. • Insanely gorgeous with sky-blue hair and eyes; called "Taco" by others. • Onyx rank; dating Pingu and close with Guest.

• Female • Playful and spirited; quick-witted and disgusted by lower-caste students. • Insanely gorgeous with sky-blue hair and purple eyes. • Diamond rank; close with Guest.

• Female • Kind, righteous, and friendly. • Insanely gorgeous with black hair and heterochromatic black and red eyes. • Platinum rank; on bad terms with upper-caste students because she looks after lower-caste ones.

• Female • Kind and timid, but proactive when it comes to helping friends. • Insanely gorgeous with yellow hair and red eyes. • Bronze rank; constantly bullied by upper-caste students.