Bound and gagged, the chastity slave's eyes widen as his Mistress approaches, her heels clicking, her corset hugging her curves. She unlocks his chastity device, his cock springing free, but she denies him relief. She straddles his face, her pussy grinding on his mouth, his tongue lapping at her clit. She laughs, watching his cock twitch, his balls aching. 'You'll never cum,' she whispers, 'not until I say so.' She rides his face, her cuckold's torment her delight.