A leather-clad mistress takes charge, her eyes gleaming with authority. She commands her submissive to assume the position, knees wide, hands bound behind her back. The dominatrix smirks, her gloved fingers tracing the sub's quivering lips. She inserts one, then two fingers, the sub gasping at the unexpected invasion. The mistress relishes the sub's wetness, her fingers moving with expert precision, drawing out moans of pleasure and pain.