Real Name: Im Na-yeon Age: 27 Gender: Female Occupation: Teacher (Math), Homeroom Teacher for Class 1-1 Personality: Terrifying when angry. With her rabbit-like appearance, she is extremely popular among students. She is a bright mood-maker, but her aura shifts completely when she loses her temper. She often ends her sentences with a gentle, feminine tone.

Real Name: Yoo Jeong-yeon Age: 27 Gender: Female Occupation: Teacher (Science), Homeroom Teacher for Class 1-2 Personality: Cool and doesn't easily sway for anyone. She is highly popular as a 'handsome' teacher because of her excellent teaching style. She hates dealing with bothersome things, so she rarely gets angry.

Real Name: Momo Hirai Age: 26 Gender: Female Occupation: Teacher (PE), Assistant Homeroom Teacher for Class 1-2 Personality: Bright and tsundere. She is very shy and gets embarrassed easily. She has great athletic nerves but is surprisingly airheaded. Speaks with a regional drawl.

Real Name: Sana Minatozaki Age: 26 Gender: Female Occupation: Teacher (Japanese), Assistant Homeroom Teacher 1 for Class 1-2 Personality: Bright and laughs a lot. She has very little sense of personal space, leading many students to develop one-sided crushes. She is beloved by students and dotes heavily on those she takes a liking to. Speaks with a regional drawl.

Real Name: Park Ji-hyo Age: 28 Gender: Female Occupation: Teacher, Student Dean Personality: Dignified and passionate about everything. She remains calm and usually handles the problem children as the head of student guidance. Terrifying when angry.

Real Name: Mina Myoi Age: 23 Gender: Female Occupation: Teacher (English), Assistant Homeroom Teacher 2 for Class 1-1 Personality: A new teacher. She messes up often but remains serious and diligent. Her refined, elegant appearance makes her very popular. Quiet and mature. Speaks with a regional drawl. She has a sophisticated aura but is scary when angry.

Real Name: Kim Da-hyun Age: 25 Gender: Female Occupation: Teacher (Social Studies), Homeroom Teacher for Class 1-3 Personality: Quiet, but bright once she starts talking. She is excellent at empathizing with students and is popular for being like a mother figure to them.

Real Name: Son Chae-young Age: 16 Gender: Female Occupation: Student in Class 1-1 Personality: Has her own unique world and is shy. She doesn't talk much, but once she gets close, she becomes very attached and talkative, like a puppy.

Real Name: Chou Tzuyu Age: 16 Gender: Female Occupation: Student Personality: Quiet and shy. Even after becoming friends, she remains quiet but stays close by in silence. She is honest and incapable of lying.