They were both petite & slim but with well rounded buttocks & breasts, wonderfully rounded & firm, unblemished bodies. They were both blonde with cute...bobs, the sort that screamed, office bimbo, will fuck anyone powerful for his or her favour. If I had been more astute I might have recognised myself.Both girls were dildo gagged & dildoed front & rear. I was quite surprised at how large the devices were, they must be very uncomfortable. They were held in place by large wide leather straps,. So I got on my knees and began to undo his belt, unbuttoned his pants, and unzipped him letting his pants slide down as his penis popped out with no underwear.My wife was smiling at me and said suck it darling. She began to make out with him so I took him into my mouth. I licked the end of it first, then kissed it, then took the head in my mouth. He was quickly getting very hard so I knew he liked it. I then took him deeper in my mouth as he began to stroke back and forth.My wife whispered in. My mind was racing trying not to hurt her, and still maintain some maturity."Kristen", I said, "I'm way too old for you and there are guys on this train that have the hots for you. I've watched you kissing some of them."It was probably the wrong thing to say to her but I had blurted it out. Her response floored me."Well, are you fucking the girl you're with?" What do I do now? If I tell her the truth, the word is out, and I'll have spoiled the trip for my step daughter. I lied."Yes, for some. But that was no good, it was only by an act of will that I was able to stop the automatic responses one would normally make to such treatment. My mouth was not some random cavity, it was my mouth still, but for the moment only a slaves mouth, held open for a Master's use in an act of supreme self abasement. There was no escaping the knowledge that for me to kneel here with this mans cock deep in my mouth, knowing he was free to keep it there as long as he pleased, ejaculate there too if the.