The old wooden door creaks open, revealing the silhouette of a young boy, his eyes widening in surprise at the sight of his older sister, barely covered by a towel, her body still damp from the shower. The room is filled with the heady scent of her soap, and the air is thick with tension. She glares at him, her cheeks flushed, but he can't help but stare at the way the towel clings to her curves, outlining the fullness of her breasts and the dip of her waist. The moment stretches, taut as a bowstring, before she snaps, "What are you looking at? Get out!"