She was on her back with knees up at her chest and I was kneeling at her butthole with my lubricated d**k in hand in a split second. I looked down and got a greedy look at her sopping wet p***y, but that was strictly off-limits. After a bit more hit and miss, I found the correct angle of attack. I pushed the tip in. When my cockhead entered her anus, her eyes opened wide. This was it! She looked up at me and said 'Do it, baby brother! Do it! f**k my asshole! Buttfuck your big sister!' I pushed it in further, then pulled out a bit; in even further, then out a bit. 5/6 strokes later and I was in as far as I could go. I held it there for a while, and looked at Jess, who was pinching and pulling both n*****s rapidly with eyes closed. I was feeling a profound lust.. 'How's that big sister? Like
