Now I had a feeling that she is doing it deliberately and in a bold move I moved my right elbow towards her left breast, and gently pushed against it....My first ever sexual contact with a grown female! No resistance noticed from her. I took it further to press little hard. I started to feel her hot breast now under her sweater and blouse. As bus was shuddering her breast was hitting my elbow and upper arm frequently. At this stage she grabbed my hard on over the pants and started to squeeze. I was in absolute awe at the sheer intensity of their love making but I needed release, and soon! Moving alongside I embraced them. Gently kissing their lips, necks and shoulders. I could feel the heat of their sex surrounding our bodies and soaked up the beautiful odour of our mixed juices which was thick in the air. After what seemed an eternity of post sex kisses, cuddles and gentle caresses, the girls now came back to earth and D, spoke up. ‘That ….. without doubt …… was the most erotic. Her cover-up fell back into place again hiding her ass. A second of disappointment entered Mike mind but then his wife lifted off her cover-up entirely. She tossed the garment onto the beach chair and whirled around. Mike, Chuck and Maggie all focused on Andrea standing there in full glowing nudity. There was a smile on her face and she looked entirely comfortable being naked in front of strangers.Andrea’s big boobs jiggled as she turned. All eyes then zeroed in on the dark triangle between her. Now get your ass in motion. I opened the door and peeked outside. The house had a nice glass screen door through which I could see their backyard. Nobody was there, of course, and the neighbours across the yard seemed to be out as well. To the left I could see a dog running in a different yard, but didnt think much about it. I pulled a chair in front of the door and held it open, then sat down, spreading my legs towards the door and pulling up my skirt. God, how did I get that wet already? I.