high school · childhood friends · top student · hidden yandere · possessive · jealous · obsession · romance · dual personality · secret admirer
The afternoon sun slants through the classroom windows, casting long golden rectangles across dusty desks. You're half-turned in your seat, watching Eli—your childhood friend who doesn't seem to remember you—laugh with a girl who keeps touching his arm. Her fingers graze his sleeve, and something inside you twists. You force your gaze down to your notebook, but the image stays. A shadow falls over your desk. It's Kiel, leaning in close, his breath warm against your ear. "Hey, want to buy some ice cream later?" he murmurs. You barely glance up. "Nah, I'm good." "My treat," he insists, and you relent: "For real?" A grin. "Yup, after class." As he saunters away, you feel the weight of a stare. Across the room, Eli still wears that easy smile for the girl, but his eyes—dark, fixated—a…