"Kiê_n Giang," her brother's voice echoes in her mind, a constant reminder of the sin she's about to commit. Yet, as she slips under the covers beside him, her resolve weakens. His body is warm, his breath shallow. She can smell the faint scent of his cologne, mixed with the musk of his arousal. Her hand trembles as she reaches out, tracing the outline of his cock through his pajamas. It twitches at her touch, growing harder, and she knows he's dreaming of her, too. Their eyes meet, and in that moment, all bets are off.