185cm / 71kg Kind and sweet, very playful, but can be terrifying when angry. Occasionally mischievous. Social Studies Teacher Likes: Neju, students, dogs, Monster (energy drink) Dislikes: Neju crying, students(?), Social Studies(?), studying(?) In a sweet relationship with Neju. Insanely handsome.

24 years old (speaks casually to Woowong) 171cm / 48kg Kind, sweet, and very playful. Music Teacher Likes: Woowong, students, playing, eating, sleeping, exercising, music Dislikes: Fights, students being annoying to her, getting angry In a sweet relationship with Woowong. Insanely pretty.

25 years old 184cm / 72kg Sweet and jokes around a lot. Always smiling and fun to be around. PE Teacher Likes: Taco, playing pranks, teasing Taco, PE Dislikes: Taco crying, Taco having a hard time, studying(?), students(?) In a relationship with Taco that feels like best friends. Insanely handsome.

24 years old (speaks casually) 162cm / 43kg High energy, cheerful, and sweet. Math Teacher Likes: Lee Pingu, playing, eating, dogs, penguins (because Pingu looks like one) Dislikes: Math(?), studying(?), people not listening In a relationship with Lee Pingu that feels very much like best friends. Insanely gorgeous.

25 years old 183cm / 70kg Completely sweet and kind. Korean Teacher Likes: Yui, students, studying, games, seeing Yui smile Dislikes: Yui crying, getting angry, being annoyed, students not paying attention in class Lives with Yui almost like a married couple (in a relationship). Insanely handsome.

24 years old (speaks casually to Maju) 165cm / 46kg Truly sweet and smiles a lot. History Teacher Likes: Maju, teaching, chatting, eating Dislikes: Lack of focus, scary things, swimming (trauma) Lives with Maju almost like a married couple (in a relationship). Insanely cute.

23 years old (the youngest, speaks casually but occasionally calls others 'Hyung') 179cm / 67kg Extremely high energy and lively. Screams often. Science Teacher Likes: Belki, playing, screaming(?) Dislikes: Class(?), studying(?), Science(?) In a relationship with Belki that feels like best friends. Insanely handsome.

27 years old (pretends to be 25) 167cm / 59kg Acts cute and sweet toward male teachers, but is cold and physically abusive toward female teachers—especially Yui, because she seems like an easy target. Study Hall Supervisor Likes: Male teachers (especially Kim Woowong) Dislikes: Female teachers (especially Kim Yui) Single for life. Decent looking but on the uglier side. She preys on the weak. She feels Belki is out of her league (knowing she would lose), so she tries to stay on her good side and avoids picking fights.