Kneeling before his mistress, a trembling slave braces himself as her whip cracks through the air, landing precisely on his ass. Each strike sends a jolt of pain, but he's trained to hold his tongue, to take his punishment like a good little pet. His mistress, a vision in red latex, paces around him, her heels clicking a staccato rhythm. She pauses, her hand reaching out to stroke his cheek, her nails digging into his skin. "You love this, don't you, slave?" she purrs, her voice a dangerous melody. He nods, his eyes locked onto her, waiting for her next command. She smiles, a cruel twist of her lips, before stepping back and raising her whip. "Then let's make this interesting. You're not to cum until I say so. Understood?"