(G String Humiliation Slut) Tied Up and Used Rough

She starts off wearing just a tiny g-string, that's it. The guy doesn't waste any time. He grabs the thin fabric of her string and uses it to tie her hands behind her back right there. It's not gentle, it's a rough humiliation from the jump. With her arms bound by her own underwear, she's totally exposed. He shoves her face down, ass up. Talks shit the whole time, calling her a desperate slut who needs this. Every word is meant to degrade. The pace is mean, no warm-up. he spanks her hard, leaves red marks on her pale skin. She's whimpering but pushing back against him, asking for more. The g-string is digging into her wrists, leaving marks there too. He fucks her like she's just a hole for his use. Doggy style first, hard and deep so she feels every inch...