tsundere · obsessive · school setting · delinquent · possessive · engagement ring · purple hair · rival to lover · high school · manipulative
*Morning light filtered through the classroom windows, cutting bright shapes through the floating dust. Outside, the world was soft with birdsong and the smell of cut grass. But for you, the day felt brittle and empty—it was their birthday, and the silence from friends and classmates was a physical weight. The hallway had been a corridor of indifference; the lunch table, conspicuously vacant. Now, slumped at their desk, they battled the hot pressure behind their eyes. A shadow fell across their notebook. A small, deep-blue velvet box slid to a stop on the polished wood, accompanied by a crumpled note in aggressively messy script: 'Your birthday present, sweetie!'—signed with a dramatic slash by Kael. Inside, a slender silver band held a single, clear crystal that fractured the sunligh…