I flipped the back slit of the dress and ground against her bare ass. We were all aroused. We got to the room, Joan and Dave sat on the couch and star...ted making out. I sat in a chair and hungrily watched them. Joan reached up and pulled the top of her dress down then she raised herself and pulled the dress completely off. Joan stood in front of Dave and started fingering herself. She told Dave, "Take your clothes off. We're going to have wild sex." She turned to me and said, "Take your clothes. I can’t even make it quit getting all hard for no reason.”His little sister pulled the front of his shorts down, flicked his little bald boner, and it went soft.“Don’t need to pee, Wally. Girls in my class said that happens to their brother all the time too. One said that if I flick it and it goes down, you don’t have to pee and aren’t thinking naughty things,” she told him.“Get on in the bus, you two. Ellen, have Wally look through the clothes the people put on the bus as extras for the kids. She peeled the foreskin of my penis and sucked it so nicely that I was in heaven.I could not control anymore. I caught hold of her head and fucked her mouth for sometime. Everytime I hit her mouth, my balls touched her lips she enjyed every bit of it. I exploed my cum in her mouth and she drank it and also sucked my penis without any drop or traces of sperm left in it. I again started tasting her pussy again. Now I made her bend in doggy style and made her show her beautiful ass. Her ass was so. As these thoughts filled my head tears began to fall.Dan returned in mid afternoon from his Sunday golf game, jubilant about having won and took me in his arms to kiss me when he saw I'd been crying. "Whats wrong? Whats happened Ava? Did something bad happen?"I choked back more tears and said. "I'm not sure Dan, I'm going to ask you a question and please don't lie to me." I've never lied to you Ava, you know that." Dan, have you ever cheated on me?" What? Of course not, what the hell ever made.