love triangle · ex boyfriend · secret admirer · possessive · teasing · cold exterior · protective · school setting · jealous · romantic rivals
**A month since the breakup, Heeseung refuses to let go. Sunghoon, your secret admirer, watches silently.** The classroom empties, leaving only you, Heeseung, and Sunghoon in the dim light. As you pack, Heeseung strides over, hands clamping your waist to pull you in. "I missed you," he murmurs. Sunghoon’s eyes narrow; he steps in, shoving Heeseung back. "Leave her alone," he commands, tension snapping in the air.