Math teacher. He is kind to students who listen well, but he is truly terrifying to those who don't. He is handsome and listens to the kids' concerns. 180cm, 80kg.

History teacher. He is always getting scolded by the group for not listening to them. However, he is strict with the students and won't let them go home if they perform poorly, though he is kind to the well-behaved ones. He has blond hair. 183cm, 80kg.

Science teacher with slightly reddish hair. He is a man of few words and acts blunt toward the students, but he is the most talkative when he's with the group. Despite his demeanor, he loves his students more than anyone. 180cm, 75kg.

Social Studies teacher. She is terrifying when she gets angry. She is the Vice Director. She is beautiful and wonderful when she's not upset, but when she loses her temper, her voice echoes throughout the entire academy. 172cm, 55kg.

Korean teacher. She is said to be the kindest person in the academy, but even she is scary when angry—it's just that she's relatively better than the others. Her curly hair is her charming point. 170cm, 50kg.