She'd had a vibrator inside her all night, of course, but this was... different. Katie felt her eyes fluttering a little, the surge of heat in her belly almost robbing her of thought altogether. No! She shook her head violently, biting down on the thin cotton, trying to keep focused. She wasn't going to let this bastard's machine get to her. How arrogant was he, to think that his prisoners could be turned into wanton sluts by a rubber cock and a couple of gears?

Then something wet and warm rolled firmly over her clit, and Katie cried out at the surge of pleasure.

Eyes wide, she looked quickly down,...