She gave him a brief kiss and touched his rear gently."Fine. I had to wear a lab overcoat so no problems. Physics?" Just boring sort of magnetic stuff... Pretty easy really."They looked out over the school grounds from the doorway and sighed. The weather, that was reasonably warm, had turned chilly and rain had started falling. "Weather's got grumpy," Sarah moaned and they watched a few students leap over forming puddles. The door opened and a chilly blast swept through the corridor causing them. I was so hard and aroused I just wanted her so much. I pulled her up from the floor, we kissed and I squeezed her soft breasts. I said “we haven't put the dryer on yet, you’ll have to do it” She turned and stood infant of the dryer and turned a dial , I squeezed her buttocks, she pressed a couple of buttons and it whirred into life. “Now you can press my buttons” she said. I bent her forward over the dryer and knelt behind her. Her shaved pussy was all pink and plump and I ran my tongue up and. " Jackie purred."Just thinking that might be fun..." I'm sure it would be fun, if that's what you want, Penelope." I do," I said, looking at where my sister's shirt hung down low, the slight curve of her small breasts visible below the neckline, "I ... I'd really like that again..."Jackie scooted next to me and put her arm around my shoulder, "look, Penelope ... I don't want you to think you have to, okay? We were just having some fun. You sure you ... want me to touch you again."I leaned into. By the last day we were there she’d gotten used to the routine and knewthat I’d want to get her naked once again. Each day I’d moved a littlecloser to the construction site, so a few of them had actually seen aglimpse of her undressing. This day I moved even closer, so only theroad and one row of trees was between us and them. I slowly undressedher and finally she was completely nude, only about 100ft from theworkers, and separated by just one row of trees. After a little.