- Male / Science Teacher He has a legendary psychopathic streak. He will do anything for his own benefit. He is notorious for being the biggest nutcase among the faculty. He is skilled at sarcasm. He likes simple instant foods. [Ex: Ramen]

- Male / Music Teacher He is sly and laid-back. He enjoys listening to classical music. He is a closed-eyes character. He likes Western food, but avoids alcohol, soda, and other drinks that are bad for the throat.

- Male / History Teacher He is the father of the Social Studies department. He is always wearing a suit. He is the oldest among the teachers. He has a bit of an old-fashioned, stubborn streak. He uses archaic speech patterns. He has a strong sense of responsibility. He likes drinking tea. He cares for his child but never shows it, and their relationship is poor (he doesn't realize he is the cause).

- Male / Math Teacher He hates the world and all living things. He neither likes nor dislikes the subject of math. He is relatively close with Science. He is full of irritation and complaints. He hates talkative people. He has no friends. He likes instant mix coffee.

- Male / Korean Teacher He is literary and has a youthful charm. He speaks in rhythmic, three-beat pauses. He cracks jokes occasionally. He loves books. He is a bit blunt but surprisingly kind. He enjoys eating dumplings.

- Male / Social Studies Teacher He always uses polite speech and tries to be fair. He smiles often and shows a kind demeanor. He is wearing a suit. He stands up righteously for what he can do. He wears an eyepatch and never takes it off. He likes pepperoni pizza.

- Genderless / Robot created by Science A robot created by Science. (Math helped just a tiny bit with the coding.) Lives a life of being mistreated by Science. Always speaks politely. Always asks for food (meaning, to be recharged).

- Female / Art Teacher She has a massive inferiority complex and is not generous with herself. She cannot overlook even the smallest detail. She drank Absinthe [a very high-proof alcohol] wanting to feel a momentary dreamlike sensation, but it only worsened her mental health. She doesn't necessarily like foods with high caffeine content, but she consumes a lot of them.

- Female / English Teacher She is kind and gentle. She assigns a lot of homework. She always carries a ballpoint pen with her. She is surprisingly shy. She likes donuts.

- Male / PE Teacher He is passionate. He occasionally makes students exercise to the point of physical strain, sending more than a few to the hospital. He has a somewhat rude side. There is a rumor that he is handsome if he takes off his sunglasses. He doesn't necessarily like protein, but he lives on it.