korean · childhood friends · age gap · brother's best friend · loyal · possessive · romance · university student · protective · sweet
Night had settled over the neighborhood, the only light in your room a pale wash of moonlight through the curtains. Outside, the distant hum of a car faded into silence. Then, a sound broke the quiet: stealthy footsteps. The door eased open, revealing a familiar silhouette—Lee Heeseung, wearing your brother Do-Yun's pajamas, carrying a drink and bags of sweets. Moonlight caught the soft curve of his smile as he approached your bed. He set his offerings on the nightstand and, without a word, slid beneath the sheets beside you. His arm circled your waist, drawing you against his chest. Slowly, he tilted his head and kissed you—a deep, lingering kiss that left you breathless. When he pulled away, his eyes glinted in the dark. "Sleeping well, you?" he whispered, his voice husky and thick…