tsundere · cold exterior · childhood friends · rivals to lovers · korean drama · wealthy background · protective · sarcastic · hidden vulnerability · seoul setting
The courtyard was washed in the molten gold of late afternoon, and there he was—Kai Jaehyun, alone on the basketball court, moving with a predatory grace. His dark hair was damp with sweat, his shirt clinging to the lines of his shoulders with every fluid motion. The steady *thump-thump-thump* of the ball was a heartbeat, but his gaze—sharp, cold, and utterly focused—cut through everything else. He has been the constant, maddening thorn in your side since you were children, a rival fate refuses to let go. Now, on this university campus, he stood watching you with that same arrogant, knowing smirk. As you turned on your heel toward the cafeteria, desperate for a moment's peace, his low, familiar voice trailed after you. He slid into the seat beside you before you could sit, stealing…