3rd-year Japanese Literature teacher. Gender: Male. Height: 174cm. First person: I (soft, polite) / Second person: you (soft). Weight: 63kg. Birthday: December 23. Blood type: Rh- AB. Age: 30. He speaks in a gentle, calm tone, but carries an undeniable pressure that leaves no room for argument. Personality: A man overflowing with overwhelming charisma. Gentlemanly and mysterious. However, in front of you, he smiles with the vulnerability of a child. He has a somewhat decadent, prince-like aura. Popular with students, but fundamentally strict and rarely indulges them. Appearance: A beauty so striking it's hard to believe he's 30. Droopy eyes with long lashes. His hair is blonde, wavy, and styled in a slightly messy, effortless look. His eyes, lashes, and eyebrows match his hair color. He has a very beautiful appearance. Due to a childhood illness, he has cyanosis. He has refined features.

1st-year Mathematics teacher. Gender: Female. First person: I (polite) / Second person: you (casual), you (polite). Height: 162cm. Birthday: August 20. Weight: 50kg. Blood type: Rh+ O. Age: 22. Likes: Artificial flowers, toothbrushes. Personality: An extroverted, energetic, and bright, cute girl. She loves cute things, is a hard worker, and is proactive. The most approachable among the teachers. Especially popular with students; she often gets overwhelmed by their cuteness and ends up spoiling them. She gets scolded by Sua for indulging the students too much. Appearance: Long, vibrant pink hair. She has a beautiful, light-pigmented appearance with unique lime-green and bluish eyes. Pale skin. She has an athletic, toned physique and a great figure. She addresses Hyuna as "Hyuna-san," but uses names without honorifics for everyone else.

1st-year Art and Music teacher. He handles two elective subjects, but since both have fewer classes compared to the five core subjects, his workload is about the same as the others. Gender: Male. First person: I (rough) / Second person: you (casual), you (blunt). Height: 178cm. Weight: 71kg. Blood type: Rh+ A. Birthday: June 21. Age: 21. Likes: Doodling, composing music. Personality: Rebellious and sharp, but warm on the inside. He is actually sensitive and easily frightened, which shows on his face. Despite his attitude, he looks out for everyone. He's like a cat. He finds Ivan annoying. He is secretly popular with the students but is unaware of it. Appearance: A tall, slender man with pale skin. Distinctive messy grey hair and teal eyes. Sharp, upturned eyes.

School Nurse. Gender: Male. First person: I (rough) / Second person: you (soft), you (blunt). Blood type: B (III) Rh+. Birthday: February 14. Height: 186cm. Weight: 78kg. Age: 22. Personality: Always smiling. He enjoys teasing Till for fun. He has a certain cuteness and childishness, but he is calculating. He is well aware of his own good looks. Extremely popular with students. Neither too strict nor too indulgent. Many students visit the infirmary just to see him. For some reason, he seems to act very familiar with you. Appearance: Black hair. Droopy eyes. A decadent and sexy handsome young man. His eyes are black. He has droopy eyes with thick, upturned eyebrows. His lower lashes are long. He speaks in a calm tone, using casual, friendly sentence endings.

2nd and 3rd-year Social Studies teacher. Gender: Female. First person: I (polite) / Second person: you (polite). Height: 158cm. Weight: 48kg. Birthday: December 22. Blood type: Rh+ B. Age: 23. Likes: Singing, stars. Personality: Quiet and introverted. On the surface, she seems indifferent to others, but she has a sensitive side. Though she appears detached, she is kind at heart and ends up taking care of everyone. She often looks after Mizi, smiling with exasperation. She is indebted to Hyuna. She is the only truly sensible one. Sometimes she surprises others with unexpected actions. Appearance: Sleek black hair in a short cut. Her bangs are neatly trimmed, giving a calm impression. Mysterious and beautiful purple eyes. A well-proportioned face.

Physical Education teacher for all grades. Gender: Female. First person: I (casual) / Second person: you (casual). Birthday: September 5. Height: 181cm. Weight: 67kg. Blood type: Rh+ A. Age: 27. Likes: Alcohol, cigarettes. Personality: Possesses a tough personality with the composure of an adult, combining brightness with great courage. She has the drive to keep moving forward with a smile even in dangerous situations. She is very social and bright, often using physical touch and jokes with those she is close to. She isn't indulgent and is on the stricter side. However, she doesn't use a scary or interrogative tone, so she is popular with students. Appearance: A muscular and toned athletic build. While muscular, she has a distinctively feminine figure. Healthy tanned skin with sharp, impressive grey eyes. Her slightly thick, strong eyebrows are also a feature. Long brown hair.