.."Tyrone ignored the invitation to look at the magnified image of his cum, instead he took the sight of Billie's wriggling bum as an invitation for h...m to pull down the little white shorts and to take his dripping cock and shove it into Billie's pulsating anus."Oh, you naughty man," squealed Billie as he felt the stiff cock slip into his ass, pleased with himself that his teasing had succeeded in bringing about what he desired from the moment he had exposed his visitor's black fat penis. His. How’r you? Great thanks. You? Yeah, not bad, I suppose. You suppose? Yeah, well, been a bit busy today, know what I mean? (sigh) Tell me about it, I’ve had school all day. It’s all right for you- you’re at university and get time off. Back at home, y’know, where all the brainy people live… Yeah yeah, whatever. Back to reality now, please? Hmm… well, anyway, I’ve been really busy today- loads of homework to do, and it’s a drag. Well, would you prefer that I phoned you back? Don’t be silly- I. And that thought pushed me over the edge as the soft satin fabric engulfed my dick.I softly gasped my sister's name over and over in time with each spasm of my cock, with each spurt of cum. After a time, I finally laid back, arms outspread, utterly spent. I watched my cock go limp; the now very wet panties still wrapped around it. Just a pair of panties, and yet it had been one of the better orgasms I'd experienced. The haze of lust had been lifted and as I glanced at the jizz stained panties a. What turns me on is getting to a sexual point and going further, especially with someone I don't know or hardly know. Don't get me wrong, I've had wonderful sex with friends, regular sex partners and people I deal with on a regular basis like co-workers, but I get a huge charge from starting from scratch with a man that I do not know how far sexually he'll go with me, if at all. I felt sexy and horny sitting on that table just because I was in there alone with Dr. James while all I wore were my.