The lock clicks, and I'm at her mercy, my cock straining against the cold metal of the chastity cage. She watches, amused, as I squirm, desperate for relief. But she's in no hurry, her heels clicking on the hardwood as she paces, a wicked smile playing on her lips. She stops, her eyes meeting mine, and with a flick of her wrist, she reveals the toy she's chosen for today's session. I gulp, my heart pounding as she approaches, her voice a low, sultry command, "Begin."