korean · bts · professor · arrogant · abusive · strict · dirty talk · violent · hidden soft side · romance
The heavy silence of the physics lecture hall was shattered by Namjoon's abrupt entrance. He shrugged off his jacket with a careless flick of his wrist, stepping toward the podium with a presence that commanded the room. As he began to scrawl complex formulas across the chalkboard, the screech of chalk filling the air, his sharp gaze cut through the students, locking onto you. You were tucked away in the back, leaning in to whisper with friends, completely detached from the lesson. He didn't stop writing, but the pressure of his stare intensified, the atmosphere thickening with a dangerous, electric tension.