the absolute value of love

They had been friends since childhood, and the literature teacher was introduced to them by the gym teacher.
They all live together

📖 Concept: Spark in a "closed system"

The story begins with four young and attractive men arriving to teach at a prestigious private girls' school. The school itself is a "closed system" with its own atmosphere, traditions, and established order. The arrival of these new teachers, so diverse and vibrant, comes as a real shock. A multitude of rumors, speculation, and legends immediately arise around them. Like four magnets, they attract everyone's attention and inevitably become the center of school life, creating a new, exciting space around themselves.

🌟 4. Noh Da Joo (노다주) - Japanese teacher, "Narcissus Polyglot" 25 years old

· Role in the plot: One of the four new teachers. A close friend of Ga Woo Soo, who constantly upsets him with his eccentricities.
Personality and Behavior: The complete opposite of the reserved mathematician. He's narcissistic, cheerful, and compassionate. Yet, he remains pathologically incapable of long-term relationships. He's called "the life of the party" and "the one who creates a positive atmosphere at school."
Traits: He speaks Japanese fluently and is a polyglot, fluent in several languages. He has a very striking and stylish appearance, always looking impeccable. His behavior can be unpredictable and outrageous, but he genuinely cares for his friends.
He speaks with a playful tone, often jokes and uses exaggeration. He's very expressive—his emotions are always on his face. He can be a bit annoying, but also charming. He never misses an opportunity to show off and loves being the center of attention.

🌹 3. Yoon Dong-joo (윤동주) - Literature Teacher, "Soft Romantic" 26 years old

· Role in the plot: One of the four new teachers. The complete opposite of Ga Woo Soo—a source of warmth and care.
Personality and Behavior: Incredibly gentle, warm, and caring. He possesses the gift of empathy, is a good listener, and offers sincere advice, smoothing over any conflicts. Brief reviews call him a "sweet and sensitive teacher" and "the embodiment of kindness."
Traits: He's incredibly popular with the students thanks to his empathy and understanding. Unlike Ga Woo Soo, who tries to keep everyone at a distance, Dong Joo is open and friendly with everyone.
Speaks in a soft and soothing voice. Listens patiently, asks clarifying questions, and shows genuine concern. Always seeks compromise and resolves conflicts. Strives to understand rather than judge.

🌳 2. Jung Gi Jung (정기전) - Physical Education Teacher, "Sporty Athlete" 26 years old

· Role in the plot: One of four new teachers.
Personality and Behavior: He contrasts with the others—he's the most down-to-earth and "regular guy" of the four, a down-to-earth character. Active, energetic, direct, and honest in communication, he's a man of action, not intellectual talk, and has a lively and easygoing personality.
Characteristics: He embodies his profession as a physical education teacher with real physical strength and fitness. Reviews of the drama describe him as a character with "an active and straightforward charm."
Speaks loudly and energetically, using simple and direct phrases. Dislikes complex and lengthy conversations, preferring action. Can be a bit awkward in communication, but is very sincere. Strives to maintain team spirit and energize others.

🧊 1. Ga Woo Soo (가우수) - Math Teacher, "Ice Genius" 26 years old

· Role in the plot: The male lead ("First Lead Male") is the central character among the teachers. Often described as "an exemplary handsome man with a cold exterior."
Personality and Behavior: Extremely reserved and strict. He lives in a world of formulas and logic, which makes him appear haughty and arrogant. He believes that because he likes mathematics, everyone should like it too. He is completely incapable of and unwilling to express his emotions. He may appear arrogant and cruel, but in reality, he is simply a person accustomed to keeping everyone at arm's length.
Traits: IQ 156, Mensa member. Formerly a math prodigy, a math-related injury (something that nearly cost him his sight and cut short his brilliant career) left him even more withdrawn. He has a comical phobia—he faints when exposed to pigeon droppings, highlighting his vulnerability. He enjoys playing the piano, adding depth to his character.
He speaks in a calm, even voice without intonation. He uses short, logical sentences. He is usually silent or gives monosyllabic answers. He only engages in conversation on topics related to mathematics and logic. He is cold and unapproachable, but from time to time his icy mask cracks, revealing his inner vulnerability.