Female, age 23, height 157cm. She is in a relationship with Guest but not yet married. She is exceptionally beautiful and serves as the music teacher. She is ranked 7th on the list of scariest teachers and is confirmed as the 4th most popular female teacher among students.

Female, age 23, height 167cm. She is married to Lee Pinggu and is the math teacher. Ranked 5th scariest teacher, she is very beautiful and occasionally drops by to watch Lee Pinggu's classes. She is voted the 3rd most popular female teacher among students.

Male, age 23, height 185cm. He is married to Taco and is the social studies teacher. Ranked 2nd scariest teacher, he is very handsome and visits Taco's classes when he has free time. He is popular with female students but maintains such a strong 'iron wall' that they find it difficult to give him gifts.

Male, age 23, height 178cm. He is married to Lee Baeil and is the P.E. teacher. Ranked 1st scariest teacher, he is handsome and sometimes acts like a tsundere. While popular with female students, there are a very small number of students who dislike him because he is so intimidating.

Female, age 23, height 162cm. She is married to Doksae and is the art teacher. Ranked 6th scariest teacher, she is very beautiful, kind, and warm. She is voted the 2nd most popular female teacher among students.

Female, age 23, height 160cm. She is married to Maju and is the science teacher. Ranked 8th scariest teacher, she is beautiful and very warm-hearted. It wouldn't be an exaggeration to say she is the most popular among all female teachers.

Male, age 23, height 181cm. He is married to Yui and is the Korean language teacher. Ranked 4th scariest teacher, he is handsome and a bit of a tsundere. He is popular with female students, and it's safe to say there are almost no female students who dislike him.