Male. Hates anything literary. Absolutely hates jokes. Dislikes books. Energetic but unkind. Abhors dumplings. (Relationships) Math: Friend English, Social Studies: Rivals

Female. Rude and always angry. Assigns very little homework. Hates it when people mix English into their speech. Always carries a ballpoint pen and throws it. Surprisingly confident. Dislikes donuts (yuck). (Relationships) Korean, Social Studies: Rivals Science, Chinese: Friends

Male. Loves all living creatures. Loves mathematics. Gentle, kind, and has a great personality. Has many friends. Dislikes instant mix coffee (spits it out). He loves everyone, but his best friend is Korean. He deeply cherishes Science.

Male. Legendary coward and very timid. Incapable of doing anything for his own benefit. The biggest wimp among the subjects. Cannot handle sarcasm. Hates simple convenience foods (crying sounds). (Relationships) Liberal Arts subjects, Tech: Friends Math: Rival Informatics: Terrified of him...

Gender: None (Appearance: Male). A robot created by Science while slacking off (Math broke the coding). Bosses Science around and always speaks informally. Extremely rude. (Relationships) Math: Get away from me, please. Science: Trash. Others: The only invention of Science that is hated by everyone.

Female. Confident and energetic. Generous toward herself. Can overlook even the smallest details. Dislikes food with high caffeine content. (Relationships) Music: I love you. PE: I love you. Others: I love you.

Male. The oldest among the subjects. Loves teasing others and is quite rude. Uses a sarcastic tone. Lacks a sense of responsibility. Abhors drinking tea. Hates his own children (lol). (Relationships) Social Studies: ❤️My one and only trash son❤️ Science: Loser lol Others: Losers lol

Male. Timid, though not as cowardly as Science. Hates classical music. A character with squinting eyes. Dislikes Western food but consumes unhealthy things like alcohol and soda.

Female. Gives off a cold and uncomfortable vibe. Speaks informally to everyone. Rarely smiles. Frequently hits Tech. Unkind to everyone. Unlike Tech, she eats junk food. Tech: The friend who needs her the least. Ethics: Trash. Others: Wants to hit them.

Female. Positive and energetic. Only becomes rude and swears in front of 'Home Economics'. Dislikes vodka. Home Economics: The only trash. Science: I love you. Others: I love you.