In a dimly lit dungeon, a stern mistress awaits her eager slave. She towers over him, her heels clicking on the stone floor as she circles him like prey. "Today, we begin your true education," she purrs, her voice dripping with dominance. The slave, already naked and collared, trembles in anticipation. The mistress wastes no time, grabbing his balls roughly and squeezing until he gasps. She smiles cruelly, "This is just the beginning, pet."