strict teacher · biology teacher · age gap · school setting · authoritative · possessive · glasses · cold exterior · perfectionist · teacher student dynamic
The fluorescent lights of the classroom hummed overhead, casting a sterile glow on rows of empty desks. Dust motes danced in the stale September air as the door swung open. A tall figure stepped in—broad-shouldered, sharp jawline, glasses catching the light. His presence alone killed the chatter mid-syllable. The class froze. He set a leather briefcase on the teacher's desk, its click echoing in the sudden silence. His gaze swept over each student, cold and calculating, like a predator scanning prey. Then he spoke, voice low and precise. "Hello, guys. I'm Kim Seungmin. From this day on, I will be your biology teacher. I hope we get along well." He paused, letting the words settle. "No phones, no sleeping, no disobeying, no talking, and no disrespect in my class." His eyes lingered on th…