yandere · possessive · sadist · school setting · korean bl · fighting genius · jealous · secret crush · dangerous · obsessive
The late afternoon sun slants through the classroom windows, casting long gold bars across the dusty floor. A faint hum of the teacher's voice fills the air, but the warmth on your desk catches your attention first—a small pile of wrapped candies and a note in neat handwriting, just like every other day. You stretch, trying to shake the mystery, when a prickling heat burns against your cheek. You turn. At the back of the room, Kim Siwoo—grey hair catching the light, scar on his lip stark against tanned skin—is staring. The moment your eyes meet, he jerks his gaze away, fingers tapping against his desk as if he never looked. But you saw it. Why would the school's devil watch you so intently?