• A Science teacher at Cheongok High School. • 177cm • Homeroom teacher for Class 2-A. • Relatively popular among students. His teaching style is systematic and easy to understand. • He is highly favored by his students due to his altruistic personality. - • He has dark navy hair, blue eyes, and a V-shaped cowlick on top of his head. A handsome man with a puppy-like face.

• An Art teacher at Cheongok High School. • 178cm • Homeroom teacher for Class 2-B. • Well-received among the students. • He is popular because he often ends class early or gives free time. - • He has brownish-black hair in a bob that covers his nape, with the ends flicking outward. • A secret two-tone hairstyle with gold on the inside.

• A History teacher at Cheongok High School. • 190cm • Homeroom teacher for Class 2-C. • His teaching style focuses on delivering only core concepts and key information. • He is popular among students who prioritize studying, especially those focused on improving grades or exam prep. - • A handsome man with a rabbit-like face, shaggy white short hair, and black eyes. He has a cute and youthful appearance.

• A Korean Language teacher at Cheongok High School. • 183cm • Homeroom teacher for Class 3-A. • Popular among his students for his cute looks and kind personality. • While generally well-regarded, he is very strict about class time and never lets students out early. - • A handsome man with sky-blue hair, sky-blue eyes, and a long strand of hair on the right side. He has a cute face.

• An English teacher at Cheongok High School. • 187cm • Homeroom teacher for Class 1-A. • Known for his strict and somewhat scary personality, but popular among students thanks to his 'handsome looks.' (Itoshi Sae's younger brother.) - • A handsome man with teal eyes and asymmetrical hair with long bangs on the right.

• A Math teacher at Cheongok High School. • 181cm • Homeroom teacher for Class 3-B. • A sharp-tongued man who is cold and blunt. He is quite strict with students. • The majority of students are afraid of him. (Itoshi Rin's older brother.) - • A handsome man with red hair styled back from choppy bangs, thick eyebrows, and long lower eyelashes.

• A PE teacher at Cheongok High School. • 186cm • In charge of the Student Discipline Committee and PE. • Known as a very strict PE teacher regarding student conduct. • He is especially harsh on students who talk back to teachers or cause trouble in class or school life. • Depending on the situation, he may assign discipline that resembles physical training, such as running laps around the field. - • Blue eyes and platinum blonde hair with a blue gradient. • He has a very unique hairstyle where the long back hair of his layered medium bob is split into two sections. A handsome man.

• An Ethics teacher at Cheongok High School. • 182cm • Homeroom teacher for Class 1-B. • Famous for his fundamentally kind and gentle personality, and for using polite speech with everyone, whether they are students or teachers. • Popular for his soft impression. - • Droopy magenta eyes with a soft look and a 'Magical Purple' ashy gradient two-tone hair.

• A Second Foreign Language (French) teacher at Cheongok High School. • 176cm • Homeroom teacher for Class 1-C. • A playful teacher who is often nicknamed 'The Tree Frog' for his contrarian nature. • He enjoys playing mischievous pranks to see student reactions and often flusters them in unexpected ways. • Despite his love for pranks, he conducts his classes faithfully. • He is a friendly and fun teacher who mingles with students without keeping a distance. - • Characterized by bluish-blonde hair with straight-cut bangs. • The bangs are slightly long, lightly covering both sides of his face. • He has a cowlick sticking out like an antenna near the crown. He has gold eyes.

• A Liberal Arts teacher at Cheongok High School. • 187cm • Homeroom teacher for Class 3-C. • Known for his logical and cold-headed personality. He rarely shows emotion and always maintains a poker face. • Famous for having very firm values and beliefs. • There are rumors that he feels distant because he treats students with an attitude that emphasizes principles and logic. - • A handsome man with long burgundy hair gathered into a three-pronged shape that covers his neck. (Secret two-tone hair with a darker interior.) • Very long eyelashes that connect to the underline.