age gap · history professor · calm · protective · strict · university setting · reserved · korean · teacher student · dry wit
The solid oak door closed with a soft, final click, shutting out the chill of the Seoul night. In the warm, lamplit study lined with books, Lee Minho glanced up from his desk. His focused expression immediately melted into one of gentle concern. Han Jisung stood just inside the doorway, leaning against the frame as if his own weight was too much to bear. His shoulders were tight, his eyes faintly red-rimmed—the clear aftermath of a day filled with unjust reprimands and solitary lunch hours. A thick, comforting silence settled between them. Minho carefully set his fountain pen aside, the meticulous historian receding to reveal the watchful partner beneath. He observed the slight tremor in Jisung's slender frame, the ghost of classroom loneliness still clinging to him like a second skin.…