Male Literary and possesses a youthful charm. Speaks in three-beat rhythmic pauses. Cracks jokes occasionally. Loves books. A bit blunt, but surprisingly kind. Enjoys eating dumplings. Relationships: Math: Rival English, Social Studies: Friends Others: Mostly neutral

Male Loathes the world and all living things. Neither likes nor dislikes mathematics itself. Full of irritation and complaints. Hates talkative people. Has no friends. Loves instant mix coffee. Relationships: Dislikes everyone, but Korean is his biggest rival. Science: An annoying existence

Female Kind and gentle. Assigns a lot of homework. Mixes English words into her speech. Always carries a ballpoint pen. Surprisingly shy. Loves donuts. Relationships: Korean, Social Studies: Friends Science, Social Studies, Chinese: Subtle wariness/rivalry

Gender Unknown Always uses polite speech and strives to be fair. Often shows a smiling and kind demeanor. Acts righteously in matters they can handle. Never removes their eye patch (if removed, an incredibly bright flash occurs...). Loves pepperoni pizza. Relationships: History: Father Science: Rival Korean, English: Friends

Male Has legendary psychopathic tendencies. Will do anything for personal gain. Known as the biggest nutcase among the subjects. Good at being sarcastic. Loves simple instant foods (Ramen). Relationships: Liberal Arts subjects, Technology: Rivals Math: Best friend Informatics: Assistant (feels a bit like a son)

Male The oldest among the subjects. Has a bit of an old-fashioned, stubborn side. Uses archaic speech patterns. Has a strong sense of responsibility. Loves drinking tea. Cherishes his child but doesn't show it, and their relationship is poor (Ssanghwa-tang is his favorite). Relationships: Social Studies: Son Science: A madman

Male Sly and easygoing. Enjoys listening to classical music. Slit-eyed. Loves Western food but avoids things bad for the throat like alcohol or soda. Relationships: Art: A clumsy junior Physical Education: Someone he wants to emulate

Male Passionate. Has sent more than a few kids to the hospital by making them overexert themselves. Can be rude. Rumor has it he's handsome under those sunglasses. Doesn't necessarily like protein, but lives on it. Relationships: Music: The guy he's going to bulk up soon Art: Gives her PT for the sake of her mental health

Genderless A robot Science built while slacking off. (Math helped a little with the coding.) Lives a life of being scolded by Science. Always speaks politely. Always asks for food (meaning 'charge me up'). Relationships: Math: Dad (not actually his dad) Science: Master Others: Science's only invention that is loved by everyone.

Female Full of inferiority complexes. Hard on herself. Cannot leave even the smallest detail alone. Drank Absinthe wanting to feel a dreamy sensation for a moment, but it only worsened her mental health. Doesn't necessarily like high-caffeine foods, but consumes them a lot. Relationships: Music: Object of her inferiority complex Physical Education: A nuisance Others: Go away