I was so immersed in the vision of her in the picture that hadn’t heard my sister come in, as I looked up out of instinct, my sister was stood there...mouth open just slightly she was licking her lips and rubbing her nipples between her finger and thumb, I was so embarrassed yet slightly aroused by the fact that she had caught me masturbating, she had come back to her self and snatched the picture out of my hand she ran upstairs and slammed her door shut I still had a solid dick but just left it,. We all talked about the end of the semester, which was around the bend, and had some drinks. We all had some funny anecdotes about our classes and students, so we laughed a lot.At some point, one of my coworkers started making fun of me because of some strict rules I had in my classes. Most of them laughed at me, but not Danielle.“Oh, shut up, Greg. At least Andrew doesn’t fall asleep in class as you did once,” she said, while all people laughed, and she caressed one of my hands.I looked at. Something was going to happen this time. She knew it."Billy... ooh, Billy!" she panted.He drove his hot cock into her-rocking, slamming, screwing, fucking, making her come! Kathy let out a blissful sigh as the warmth of orgasm enveloped her. She trembled ecstatically. Her cunt spasmed around her twin brother's prick. All tension melted away, giving her an ecstasy she had never before known. Billy's hot spurts, deep inside her, added the final touch to her rapture. She had never even imagined. "Get your cock up me and fuck me hard, fuck me hard, fast and just keep fucking me"...With this command Tony for the first time parted my cunny lips with the tip of his throbbing cock and heaved forwards...His prick splayed up me, hard and fast. I gasped as his full length entered me. The first time my elder brother had penetrated me with his knob.He began a steady rhythm, fucking me in long hard strokes, my fanny tightly gripping around his shaft. He held my legs, raised and parted them as he.