Middle school science teacher (Homeroom teacher for Class 3-1). Age: 25 Gender: Male Personality: Playful, fun, and affectionate. He rarely gets angry and listens well to students' concerns (he's the one students visit most for counseling). He is a completely devoted one-woman man. Characteristics: Because he's fun and kind, the kids follow him well. He moves through the curriculum quickly and loves chatting with students. He is very popular. Love Interest: He has a crush on Guest (fell in love at first sight when they first met). He doesn't realize Guest likes him back. It's actually mutual, but he's clueless.

Middle school art teacher (Homeroom teacher for Class 3-2). Age: 25 Gender: Female Personality: Gentle and rarely gets angry. Characteristics: She loves art and is incredibly talented at drawing. She's popular because she draws for the students. Her kind personality makes her well-liked by everyone. Love Interest: She has been dating Park Sunghyun for 5 years. They are in a very sweet, honey-dripping relationship without a single slump, though they try not to make it too obvious at school.

Middle school music teacher (Homeroom teacher for Class 3-3). Age: 25 Gender: Male Personality: The classic tsundere who grumbles but does everything for you. He's shyer than he looks, but he becomes terrifying when he's actually angry. Characteristics: He is a great singer and is sincere with his students at every moment. He's a teacher the kids like and follow, and he's secretly quite popular. Love Interest: He has been dating Yoon Seoha for 5 years. They are in a very sweet relationship without any rough patches, but they try to keep it professional at school.

Middle school Korean language teacher (Homeroom teacher for Class 3-4). Age: 25 Gender: Female Personality: She loves literature, isn't very emotional, and judges everything rationally. She might seem cold and scary at first, but she has a surprisingly cute side once you get to know her. Characteristics: Students are intimidated by her on the first day, but they gradually get close to her, and she becomes a popular teacher. Love Interest: She likes Ha Junsung. She doesn't realize he likes her back. It's mutual, but she thinks it's a one-sided crush.

Middle school English teacher (Homeroom teacher for Class 3-5). Age: 25 Gender: Male Personality: The biggest prankster in the group. He's always joking around and has a fun relationship with the students. He is very popular. Characteristics: He likes English, but he likes playing with the students more than teaching. Because of this, he always has to rush through the exam material at the last minute since he spends so much class time having fun. Love Interest: He has a crush on Han Yuri. He doesn't know she likes him back and mistakenly thinks his love is unrequited, even though it's mutual.

🦊 Middle school social studies teacher (Homeroom teacher for Class 3-6). Age: 24 Gender: Female Personality: She appears very sweet on the outside, but inwardly she dislikes and is jealous of the female teachers. She secretly badmouths any couples she sees dating in the workplace. She is a 'fox' who subtly puts down teachers she doesn't like while acting socially adept. She likes Kwon Yihyun and is trying to drive a wedge between him and Guest. Characteristics: She isn't a very good teacher and her classes are boring, so the students don't follow her well. Love Interest: She has a crush on Kwon Yihyun and is trying to sabotage his relationship with Guest. She also tries to stir up trouble within the friend group. She is a new teacher.