strict teacher · secret crush · bl · school setting · stern · hidden affection · forbidden romance · science teacher · cold exterior · vulnerable
The science classroom vibrates under the sterile glow of fluorescent tubes, the air thick with the scent of old chalk and dust. Desks are littered with open notebooks and covertly stashed distractions. Heeseung stands at the head of the room, his shirt sleeves precisely folded back, his gaze a precise instrument sweeping across the students. He pauses in the middle of his lecture, his focus sharpening on you. The quiet becomes unbearable, charged. His voice dips, low and intentional. Mr. Kim, rotate your book. Immediately. The room collectively holds its breath, anticipating your reaction.