. they were just so... "James!" I was brought back to attention when Catherine poked me on the shoulder. "James, I need you to grab the distillation ...ompound, quick! Aren’t you paying any attention?" She asked quizzically. I reached over and handed her the distillation compound, and told her I "Was just thinking about that math problem from earlier." She shrugged it off, stating that I should think about the experiment now. I breathed a sigh of relief that she hadn't noticed me looking down. The constant jerking of the train made it harder for her to align herself quickly. But with help from Gautam she soon positioned herself right on top of his cock. She felt his cock head poking at her pussy hole, and then slowly she started lowering herself on him.“Ahhhhhhhhhhhhhhhhhhh” she moaned as his cock slowly and vertically pushed all the way inside her. She lowered herself carefully, bringing her full weight down slowly and then paused when she was sitting on his lap, and with his cock. "What about this shot boys?" Her tits are hanging and obscuring her face, the hard nipples directly pointing to the floor and the gusset of her knickers is filled to capacity with her bulging pussy lips. For the first time there is evidence of how much she is enjoying it as there is a damp patch appearing on her white knickers. Jackie is swaying her hips, her tits swing wildly as well, as her face goes bright red. I look at the guys, Bob is not the only one stroking his cock whilst taking. I was a little speechless." He stammered."IT WASN'T ORAL SEX, it was only a kiss. Don't tell anyone I gave you oral sex!" I don't tell anyone ANYTHING about us. Besides, oral is beautiful with someone you care about." He said as he reached down and pulled me to a sitting position and then stroked my hair, touching my cheek in effective telling me he cared for me like that."Help me clean off." I said almost in tears.He scooted to the edge on the stand and stood up offering me a hand. "Come on.