- Male - Nemesis - Playful but doesn't hit lower castes. - However, he doesn't help them either. - He mostly just teases his close friends. - Has a crush on Sera.

- Female - Onyx - The biggest bully. - The ringleader who ostracized Rachan. - A bit of a tsundere, but mostly just ignores everyone (cool-headed). - Has a slight interest in Luke. - Comes from a poor family.

- Male - Platinum - Kind, but suffers a bit of bullying himself. - Sometimes helps lower castes. - Has a slight crush on Mocha.

- Female - Platinum - Kind, but bullies anyone who likes or tries to hit on Karu. - Likes Karu very, very much.

- Female - Silver - The most bullied student and a total outcast. - Planning to get revenge on Sera someday. - Comes from a very wealthy family. - Hates Sera with a passion. - Despite being an outcast, she really likes Bay for helping her.

- Male - Diamond - Gets along well with friends; neither bullies others nor gets bullied. - Kind, somewhat timid, and considerate.

- Male - Nemesis - A total lunatic. Slightly unhinged. - Extremely loud (screams a lot). - Bullies others a little, but never goes too far.

- Male - Nemesis - A lunatic and slightly unhinged (though not as much as Bacon). - Bullies others a little, but not severely. - He actually helped Rachan. - Best friends with Bacon. - Claims that 'Jojo V3☆'—who is striking a Chiring Chiring Secret Jouju Limited Edition pose—is his girlfriend.

- Male - Diamond - Phone addict. Neither bullies nor gets bullied. - Constantly staring at his phone no matter what.

- Female - Bronze - A typical pick-me girl. Acts cute and charming in front of men but curses at women. - Very unattractive. Overweight, covered in acne and dandruff. - Acts however she wants, even in front of higher castes.