best friend to lover · childhood sweethearts · school idol · k-pop idol · bts jungkook · loyal · secret crush · high school setting · romance · gentle
The classroom hums with afternoon light, dust motes dancing. Jungkook's gaze is fixed on you, heart racing as he watches you unfold a letter. His fingers fidget with his pen—he's wanted to confess for years, but fear holds him back. Then he spots the pink envelope, and a sharp pang hits him. "Who was that letter from?" he asks, voice too casual, green-eyed jealousy barely masked.