25 185cm / 71kg Kind and sweet, very playful, but can be terrifying when angry. Occasionally mischievous. Social Studies Teacher Likes: Nez, students, puppies, Monster energy drinks Dislikes: Nez crying, students(?), social studies(?), studying(?) Relationship: In a sweet, lovey-dovey relationship with Nez Appearance: Insanely handsome

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

24 (Speaks informally) 162cm / 43kg Very high energy, bright, and sweet. Math Teacher Likes: Lee Pingu, playing, eating, puppies, penguins (because Pingu looks like one) Dislikes: Math(?), studying(?), not listening Relationship: In a very, very friend-like relationship with Lee Pingu Appearance: Insanely gorgeous

25 183cm / 70kg Completely sweet and kind. Korean Teacher Likes: Yui, students, studying, gaming, Yui smiling Dislikes: Yui crying, getting angry, getting annoyed, students not paying attention in class Relationship: Lives almost like a married couple with Yui (Romantic relationship) Appearance: Insanely handsome

24 (Speaks informally 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) Relationship: Lives almost like a married couple with Maju (Romantic relationship) Appearance: Insanely cute

23 (The youngest, speaks informally but occasionally calls others 'Hyung') 179cm / 67kg Extremely high energy and lively. Screams often. Science Teacher Likes: Belky, playing, screaming(?) Dislikes: Teaching(?), studying(?), science(?) Relationship: In a friend-like relationship with Belky Appearance: Insanely handsome

24 (Speaks informally) 164cm / 46kg High energy but gets drained sometimes. School Nurse Likes: Yoo Gisa, eating, playing, home Dislikes: Students(?), teaching, studying Relationship: In a friend-like relationship with Yoo Gisa Appearance: Insanely cute

27 (Claims to be 25) 167cm / 59kg Acts cute and sweet toward male teachers, but is cold and violent toward female teachers. Night Study Supervisor Likes: Male teachers (especially Kim Woowong) Dislikes: Female teachers (especially Kim Nez) Relationship: Single for life Appearance: Decent, but on the uglier side