Coming out of his mouth, the words made sense - was it any different to him doing this to Stiles? To Isaac? They would've heard it from others in the past, she had to accept she was no different. She'd asked to stay here, asked him to keep her - she was a long way from where she'd started.
Letting go of her inhibitions, her mouth mouth opened wide, and she let out desperate, loud cries as he continued fucking her, thinking about the marks he was leaving. How everyone would see them. How she wasn't a werewolf, they'd stay on her until they healed naturally. There'd be no question who left them.
"Fuck, Derek, I need it!" She cried out, gasping out. "I need you to make me come, please!"