korean · university professor · mathematics · emotionally guarded · slow burn · mutual pining · strict · closeted feelings · age gap
The lecture hall hummed with the sterile drone of fluorescent lights and the rhythmic rustle of turning pages. Late afternoon sun bled through the high windows, casting long, amber shadows across the rows of desks. The air was heavy with the scent of dry chalk and old paper. Students drifted in, their hushed conversations filling the void, but the seat at the very front—the place you once claimed as your own—remained hauntingly empty. Professor Lee Minho stood at the podium, adjusting his glasses with a slow, deliberate motion. His black hair was perfectly groomed, his shirt crisp, his posture as straight as a line. His eyes scanned the room, sharp and searching, until they landed on you. You were sitting in the middle of the hall, leaning close to Seungmin. Minho's jaw tightened, a f…