The sub, bound and gagged, lies on his back, his eyes wide with anticipation. The mistress, holding a ball gag in her hand, straddles his face, lowering her pussy onto his mouth. She grinds her hips, smearing her wetness across his lips, as he struggles to breathe through his nose. She pushes the ball gag into his mouth, filling it completely, then leans back, enjoying the feeling of his desperate attempts to please her, his tongue lashing out, trying to reach her clit. The room echoes with her moans and his muffled grunts, a symphony of power and submission.