She felt him plunge his fingers into her, feeling the roughness of him push his way into her, feeling herself stretching to accommodate him. Feeling her pleasure increase, building in the dark confines of the carriage. She was being finger fucked by a stranger and she was enjoying the pleasure so much, she let him do with her, as he wanted. His thumb moving over her anus, stimulating those sensitive nerves surrounding her hole.
As she approached orgasm, she felt his fingers withdraw. Struggling to stop her groan of frustration, she felt a new sensation. Surely not, she thought... She felt his cock slide into her. She wanted to scream out her pleasure, as he pushed inside her. The smell of sex was in the air. Surely the other passengers smelt it and surely they must sense the movements and hear the sexual noises. She really didn't care and pushed back onto him, being fucked hard in front of their blind audience, holding onto the straps as his cock pounded her pussy, not caring, just feeling herself build to climax. Feeling him slide effortlessly in and out of her, as her juices oiled the way. His cock engorged with a primitive lust for her, as she enjoyed every inch, every vein, every thrust. She sensed that he wasn’t wearing a condom and for a brief moment worried about the consequences, but such was her need for instant satisfaction, she put the thought to the back of her mind and pushed back even harder on him, feeling his balls bang against her, feeling his hands around her waist to steady her
As her orgasm surged through her body, she sensed a warmth flow into her. He had ejaculated, spent his seed inside her and then withdrew... She felt her skirt drop and then nothing.
The lights came on and she looked around. Nobody was near her and nobody made eye contact, it was as though nothing had happened. The train started up and continued its journey. A smile played on her face. She caught her reflection in the mirror. Nobody would have guessed the activity she had just been engaged in other than a flushed face and that unmistakable glow... and the trickling of his sperm seeping down her legs...