There was no chance of her carrying on her presentation. She was on her knees with her elbows on the desk top, her arse raised into the air, and just ...a very flimsy, sheer pair of knickers between her and her audience.It wasn’t long before her knickers were pulled down around her knees. And she felt hands all over her backside, and her tits, fingers probing her mouth. The ache in her stomach was growing and she could feel herself getting very wet between the legs.Now she really needed some cock.. "You fucking slut! You fucking sleptwith my husband you whore!" I said, "Wait Diane. I didn't sleep withhim." She was screaming, "You fucking liar! I found him looking at apicture of you online last night and he was jacking off." I didn'tunderstand. "You were sucking a guy's cock you stupid bitch!" Wait....Jimyou son of a bitch. "Diane, I can explain." Don't bother you littlewhore. I followed him to that bar last night where he watched you prancearound like a fucking fairy. Then I saw him leave. "Was Sandy still a virgin?" It sure sounded like it. Though why on earth she wanted to watch her own brother fucking his girlfriend was beyond me. Still..."Tell you what Sandy. Later this evening, when we're really going at it, go ahead and peek through the door, I'll make sure I've got his full attention. But that way, you can watch us a little at least, just don't make any noise, or we'll both have some explaining to do. I can't even begin to imagine what your brother would think if he was to. I hold her hand and rub her finger to make her hot and she said not now somebody will see us and I removed my hand and waited to get dark and we watched movie till then and bus stooped some passenger entered and the bus was getting full and I was bit sad because last time the bus was empty and today it is getting full and a passenger sat on our opposite side but I did not care because if we not had fun today then we cannot to did again.It was dark by now and the lights where off.She was wearing.