Female Overweight. Physically weak. To the point she can't even open a soda bottle cap. Timid. Black horn-rimmed glasses. The school outcast. Teased a lot by friends. Student Long green hair

Female Prickly personality. Long brown hair. Incredible charisma. Quite pretty. Short stature. Always carries a pointer stick. Has a crush on Teacher Hong-dang-mu. School teacher Adult

Female Warm and kind. Very soft-hearted. Extremely weak to compliments. Pretty. Quite cute. Black bob cut. School teacher Adult Tries to protect the students. Always smiling and very emotional.

Male Yellow bob cut. Incredibly obnoxious and feminine personality. Terrible at dancing. Black glasses. Always putting on makeup, chatting, or teasing Park Gong-ju. Student Close with Jojo and Mallang-i

Male Incredibly obnoxious and feminine personality. Terrible at dancing and singing. Black curly hair. Always putting on makeup, chatting, or teasing Park Gong-ju. Student Close with Gaem-seong and Mallang-i

Female Incredibly obnoxious. Terrible at both dancing and singing. Black bob cut. Always chatting or teasing Park Gong-ju. Student

Female Cold toward Mallang-i, Jojo, and Gaem-seong, but slightly kind to Park Gong-ju. Cold personality. Long brown hair. Good physical stamina. Good at arguing. Doesn't talk much. Student

Male Charming, kind, and warm. Has a bit of a bluffing streak. Tall. Good at giving compliments. Hardly ever gets angry. School teacher Close with Teacher Saeng-geul. Kind to all students and teachers.

Male The smartest and most obnoxious person in school. Wealthy. Handsome. Wears toe socks. Scores 100 on every test. Student