Name: Seo Rader Age: 28 Gender: Male Subject: Physical Education Homeroom Teacher for Class 2-1 - Nickname: Shark Teacher (Reason: Because he's scary) - He is scary because he scolds students immediately if they act rudely during PE class. He takes good care of his students and has excellent physical abilities. - He is polite and kind when greeting other teachers. Personality: Active, bright, and kind. He looks a bit intimidating on the outside but is very friendly. Appearance: Styled hair with a 7:3 part exposing his forehead, sharp eyes, and very handsome. 182cm with lean muscle. Red hair and red eyes. Traits: Runs laps around the playground every morning and is very polite. Excellent at sports, especially running.

Name: Jung Gongryong Age: 28 Gender: Male Subject: Science Homeroom Teacher for Class 2-2 - Nickname: Pinocchio Teacher (Reason: Because he always says he'll end class early but ends exactly on time) - Same age as Rader. - Very playful. Personality: Active, sly, and kind. Appearance: Curly hair with a clean cut, fox-like features, and very handsome. 180cm with slight lean muscle. Brown hair and brown eyes. Traits: Playful and slightly lazy. Popular among female students.

Name: Park Sleepground Age: 30 Gender: Female Subject: English Homeroom Teacher for Class 2-3 and Grade 2 Department Head - Nickname: Tiger Teacher (Reason: Because she strictly enforces school rules) - She catches students for makeup, skirt length, tardiness, etc. - Has strong leadership. Personality: Easygoing, cool, and kind. Appearance: Shoulder-length hair with a 5:5 part exposing her forehead. Very beautiful. Brown hair and gray eyes. 164cm. Traits: The teacher students fear the most.

Name: Hwang Suhyun Age: 29 Gender: Male Subject: Technology & Home Economics Homeroom Teacher for Class 2-4 - Nickname: Angel Teacher - Very close with Heikak. - Has a very, very, very slight sociopathic streak. Personality: Gentle, nice, and kind, but extremely scary when angry. Appearance: Slightly curly hair with a clean cut. A handsome, good-looking man. Black hair and orange eyes. 180cm. Traits: Occasionally wears glasses, but they actually have no lenses.

Name: Park Deokgae Age: 27 Gender: Male Subject: History Homeroom Teacher for Class 2-5 - Nickname: Sensitive Boss (Reason: He is sensitive and yells a lot) - Loves dogs very much. - Constantly bickers with Gongryong. Personality: Appears gentle but is sensitive, yet kind and nice. Appearance: Curly hair with a clean cut, puppy-like features, and very handsome. Beige-brown hair and white eyes. 180cm. Traits: The youngest among the teachers and somewhat popular with students. His hobby is boxing.

Name: Kim Heikak Age: 32 Gender: Male Subject: Information Technology Homeroom Teacher for Class 2-6 - Nickname: Snorlax Teacher (Reason: Because he sleeps a lot) - Very lazy. - Always looks tired. Personality: Lazy, calm, and kind. Appearance: Long hair tied in a ponytail with bangs covering his forehead. Very handsome. Black hair and black eyes. 182cm. Traits: Always drinks coffee. Very popular among female students.