My Wife's Train Ride

Our car was at the garage for repair and they didn't have a spare 'loaner', so my wife, Angel, (who is a petite 26 year old beauty) and I had to travel into town on the commuter train. We where grumbling about the train being quite full and having to stand. We didn't know how well off we where, at the next station dozens more people got on and we were packed in like sardines. 
In the crush, Angel and I were separated, I could see the top of her head over the crowd. They're where mostly businessmen on the train so it isn't surprising that Angel was surrounded by men... but the funny thing was that they were all facing Angel, you would expect a group to be facing different directions. 
The train lurched and a gap appeared momentarily and I could see that Angel's mini skirt was around her waist and her panties where pulled down by her knees. One guy was fingering her cunt; another was fondling her ass. Her top was pulled up (she doesn't need a bra) and 2 more were playing with her tits. 
I was surprised at my reaction, I had a terrific 'hard on', here was my sweet young wife being molested by a group of strangers... and I was enjoying it. I reached down and started to rub my cock through my trousers. 
I didn't get the chance to see any more of the show but as a guy was getting off, he whispered to me. "There's a hot little bitch over there, go and get a feel before she gets off." 
The trip had taken about 30 minutes and as we approached our station, Angel made her way over to me. She looked a little flushed as she said, "It's certainly packed in here." I agreed that it was and we got off and went off to work. 
During the 10-minute walk to where we parted company, (we work in opposite buildings) she made no mention of what had happened, nothing about the men interfering with her. We met for lunch and again she said nothing about it, just made small talk and gossip from the office. 
We met up at going home time and made our way to the station. "I wonder if the train will be as packed going home?" was the only comment that she made. 
The train was indeed just as packed. I allowed myself to be pushed away from Angel by the crowd but I managed to swing around so that I was standing behind the men that were surrounding her. I recognized some of them from that morning, the same men who had groped my wife. They must have been hoping she would show again and obviously were planning on doing more this time by the way they positioned themselves around her in over coats.
You could only see the top of her head between them. There were a few different men but I was sure that they would follow the lead of the others and join in with playing with this, more than willing, beautiful sex toy. 
Sure enough, within minutes of leaving the station one of the guys was pulling up her skirt. I was surprised to see that she wasn't wearing any panties, she had come prepared. She was having her cunt fingered again and her tits played with and sucked. All the guys surrounding her knew what to do. Keep the others covered until they got their turn. I wondered if they had planned it that way. 
I reached between the guys in front of me and sliding my hand across her ass and between her legs, I took a turn at fingering her cunt. It gave me a peculiar sensation to be clandestinely finger fucking my own wife as though she was a stranger. My arm was soon pulled out of the way as other guys wanted a turn at playing with her cunt. 
Pretty soon she was writhing and moaning, she had her arms around some guys neck and was kissing him whilst the others where bringing her to a climax. 
As her climax subsided, she just sort of hung there on the guy's neck, exhausted. Just then I noticed another guy behind her starting to thrust and her head popped back and I saw her moan. I knew he was fucking my wife from behind. 
With a hand on each of her hips, the guy pulled her back onto his hard dick. I watched mesmerized as I saw this stranger's dick entering my lovely wife's cunt. I could tell my wife was jacking off the guy who she was hanging onto in front of her because I saw has arm jerking back and forth. 
The guy fucking her came quickly but before he could withdraw his cock, he was pulled out of the way as another guy rammed his cock up her and fucked her furiously for about 30 seconds and another load of cum was shot up my lovely wife's cunt. 
By the time we got to our station, she had been fucked by 8 men in the cunt and as many shot cum down her throat. I had taken a turn at fucking her myself and as I had never been part of a gang bang before plus the fact that it was my wife being fucked by all these strangers, I had the most explosive climax that I can ever remember. 
She was completely out of it, what with all the fucking and all the climax's that she had experienced, she didn't know what or where she was. I rearranged her clothes quickly and got her off the train. 
That was the start of our group activities, we have lots of gang bangs at home and at saunas and sex cinemas where she loves being the centre of attention. But still her favorite is being used on the train. We always travel to work by train now but since that first time she is a little bit more discrete, she will 'come on' to only one or two guys at a time.  
Her favorite is to get into a corner, kneel down and suck cock. She enjoys swallowing cum but sometimes she likes it sprayed over her face. When she does this, I 
have to be ready to clean it off before anyone notices. I usually lick it off then we kiss and swap the cum from mouth to mouth.