11. She explodes and still no one is the wiser.

Lena practically screams as her orgasm rocks through her body. Surely someone would hear her, but the other commuters in the other cars are still entirely wrapped up in their own worlds.

Her cunt squeezes your cock as she rides her orgasm out. Your own climax is mounting, but you hold on a little longer. You grab her by the hips and start thrusting up into her harder and harder. With each thrust you hit her cervix, pounding her depths. With each thrust, she squeals in greater pleasure.

Finally, you let yourself let loose.