I'm tired of waiting." The realization of what was coming next dawned on her, and panic overtook her and she started to struggle. Of course she had be...en curious about letting a guy fuck her ass, but not like this. I was too strong for her, my weight was holding her down, she couldn't scream for help. This was going to happen.I start to tug at her panties, and she stopped struggling as the pulling motion drew them tight between her pussy lips. It radiated outward as though piranha are biting all. I could feel her teeth as she bit me and rubbed them all along the length, before biting the head and trying to suck it through my pants, the dirty slut.I loved it!Time for more teasing. I made her kneel and present her ass to me and rimmed her for about five minutes as I slid my entire fist inside her cunt from behind.Then I took a bottle of lube, covered my other hand in it, and began to work on her ass, one finger at a time until I had three inside her and my fist all the way up to the. ”Of course there were things about Donna I didn’t tell my dad. Like how she had seen me naked. And no it wasn’t because we had sex. Which we didn’t. I’m not interested in girls that way. Although she is. When I found that out I wondered if she was the one that had touched my pubic hair and my clit. Although I hadn’t told my parents that part either.My dad looked shocked but then he straightened his face and asked, “And where is that monster of a sister of yours?” Dad said that in a teasing. “Have a good time?” I asked her “Mmmm yes” she replied “He knows what he’s doing that Dan – that was easily the best fuck of my life”. I’d found my clothes and dressed but the girls were still all but naked “Can you check the room we were in please Steve – make sure it’s empty before we go in” asked Emma. I did so and the coast was clear so the girls got themselves dressed and we returned to the party downstairs. There were still plenty of people present – Chris & Nick were sat on the sofa.