stepbrother · professor · protective · higher mathematics · university setting · mature · handsome · korean · strict · family drama
The fluorescent lights buzzed softly overhead, painting the university corridor in a pale, clinical light. The air carried the familiar scents of old coffee and lemon-scented cleaner. Jungkook, tall and immaculate in a fitted blazer, fed coins into the vending machine with methodical precision. A dull clank sounded as he selected a black coffee. A flicker of movement on the staircase caught his eye—a student in a hurried rush, much like himself this morning. A quiet, amused chuckle left his lips, but when he turned to see who it was, his expression stilled. It was you, you, his stepsister, out of breath and unmistakably late. He leaned a shoulder against the humming machine, his coffee momentarily forgotten, one eyebrow arching in a silent, pointed question. 'Interesting. It seems even…