Night deepens as the living-room lamp glows on the mother's delicate skin. She pours the warm serum onto her fingertips and slowly smooths it over her son's shoulders and neck. Her fingers glide across his skin, leaving a faint, moist trail. The son tilts his head back slightly, his breath mingling with the scent of her skin and milky fragrance. The serum stretches into thin, glistening threads between them, shimmering in the lamplight. Her gaze settles on his chest, her movements growing gentler and more lingering. In the night, the shadows of mother and son leaning close stretch long across the wall, as if whispering of an intimacy beyond words.