My Mistress told me to write this story and post it here.
As you may know I am her cuck and always do as told. She wants
me to tell you how I got interested in watching her with other
guys, so here goes.

It all started about 30 to 35 years ago when I was married
to my first wife, Susan. We met when she was in her senior
year in high school and we got married 2 years later. She
was a model who modeled wedding dresses on the runway in
a major city here in the USA and she was gorgeous, 5’10”,
nice 34B tits and a tiny waist and beautiful ass. She had
dark brown hair with a natural red tint to it and green eyes.
Sex was always great and we experimented quite a bit. She
was an exhibitionist and I loved it when she would flash
guys and gals (I am such a voyeur) and we always had great
sex after. And all of my friends were in love with her and
wanted to get into her pants. At this time in our marriage,
we never involved others in our love making but would talk
about it as foreplay, bringing another girl or guy into
bed with us.

We played around with bondage a few times with both of us
taking turns being tied up for a couple of hours and we teased
each other endlessly for hours. This one Saturday afternoon
when it was raining outside we decided to play around a bit
and I had tied her naked to the four corners of the bed and
put a blindfold on her and a pillow under her ass for better
access to her pussy. She had really sensitive nipples and
I always make sure to play with them a lot and this day I had
ice cubes and was rubbing them on her nipples and then put
the ice in my mouth and I would suck on her nipples as I pushed
the ice cubes against her nipples with my tongue, she was
loving every minute of it. I also had one of her vibrating
dildos out and was also teasing her with this a bit when the
phone rang. I answered the phone that was next to the bed
so Susan could hear me and it was one of the guys I work with.
He had just finished a project and wanted to drop the report
off so I can review it before the meeting we had scheduled
on Monday. So I said sure, just come by. He was married and
we both hit it off well and we played softball together on
the company team and we would go out for drinks after the
games and sometimes after work to unwind. He had never met
my wife, but saw the picture of her that I kept on my desk,
so he asked if she was around so he can meet her and I said that
she was a bit “tied up” right now and that she was taking a
nap. He was a bit disappointed but said he would be there
shortly.

When I hung up the phone she said that since someone was coming
over that I should untie her. As I looked at her I could tell
she was anxious to be untied, so to continue to tease her,
I said that maybe I will just leave her tied up when he comes
over. And she could think about being tied naked to a bed
as I entertained my coworker in the next room. She was begging
me, but I refused and then I got between her legs and started
to lick her pussy. She was trying to fight it but finally
she let the feelings of pleasure overtake her and she was
telling me not to stop as I pushed the dildo inside her. She
said she was getting really close to cumming now. Wanting
to prolong this more, I stopped licking her but continued
to slowly push the dildo in and out of her pussy and asked
her if I could leave her tied up when Tom arrived and all she
wanted to do now was cum, so she said yes. So I started licking
her clit again until she had her orgasm. Susan was capable
of having several orgasms in a session so I knew that this
was just the beginning of the afternoon.

Once she recovered from her orgasm she said to untie her
and I just said no as she protested and she said that I had
my fun and I should untie her. To continue to tease her I said
that she was going to be tied up for a while and just relax
a bit as I turned the vibrating dildo on and slowly ran it
around her clit a bit to keep her excited as I started to suck
on her nipples again. Her protests slowly subsided and
she was starting to moan again and I knew she could have another
orgasm soon. But I now wanted to keep her on the brink until
Tom arrived and it would be too late to untie her. So I continued
to play with her with the dildo and starting saying that
Tom was going to be here soon and she was going to be naked
when he arrives. Now there were no protests and I slowed
the teasing a bit and she begged me to continue. I told her
only after she promised to let me keep her tied up when Tom
arrived and she said yes, just as the doorbell rang. She
started to panic and protest, but I said you promised and
that you should be a good girl or Tom may hear her or maybe
I would invite him in to let him see her naked. She finally
said OK, just go as the bell rang again and I inserted the
dildo inside her, jumped up and threw on a t-shirt and baggy
pants (I was rock hard) and told Susan to be a good girl and
be quiet as I talked with Tom. As I was ready to go see Tom I
decided to also turn the vibrator on while it was inside
her, and she jumped when I did it, but then started to moan
and I reminded her to be quiet as I closed the door behind
me and went to greet Tom.

I invited Tom in and asked if he wanted a beer and we went into
the kitchen and opened 2 beers. He gave me the report and
we talked about it, but I was a bit distracted thinking about
Susan being tied up in the next room. We continued to talk
about the report and finished our beers and I got two more
for us and I said that I needed to get my briefcase from the
bedroom and would be right back. I quietly opened and closed
the bedroom door behind me and told Susan to be quiet because
Tom was still there. I noticed the dildo fell out of her pussy
and I grabbed it and started to run it again along her clit,
telling her how sexy she was and she told me how excited she
was and how she felt really naughty and excited knowing
another guy was in the house. As I continued to run the vibrator
along her clit I asked her if I should let Tom in and let him
see her like this and she said absolutely not. Teasing her
I said that maybe I would bring him in and she kept saying
no and I started to suck on her nipples again and then said
to her that I needed to get back to Tom or he might think something
was wrong. I went to get my briefcase and again said that
the next time the door opened I was going to fuck her good
and that maybe Tom would be with me. That was when she surprised
me and said that I did not have the nerve to let him in. I stopped
in my tracks, put the briefcase down and walked to the side
of the bed and said “you just wait and see” and she started
to apologize that she did not mean it and I said, too bad and
was walking to the door.

As I was walking out my head was spinning and I was wondering
if I had the nerve to let Tom in and see Susan naked and tied
to the bed. If I did let him in would I be able to let him play
with her and how would I feel about watching them together.
So I opened the door and closed it behind me and walked back
to the kitchen where Tom was drinking his beer, not knowing
what I was going to do. When I got to the kitchen, Tom asked
where my briefcase was. I had left it in the bedroom. I started
to say something when Tom said that he heard Susan and I talking
and asked if he could finally meet here. I was a bit shocked
and surprised that he heard us and I asked him if he heard
what we were talking about. He told me he could not make out
what we were saying, but he heard us talking and was anxious
to finally meet her. Now I was reeling and did not know what
to do. One part of me wanted to bring him in there and another
part of me was afraid to do it, not knowing if I could stand
watching them.

That was when I made the decision and I told him that she was
tied up right now. He then asked “what do you mean, I just
heard her”. Could I actually do this? I thought to myself
what the hell, I am going to teach her a lesson and said to
him that she was never really sleeping and that we were playing
one of our little games when he called. “What kind of game”
he asked. “Well, every so often we get to tie each other up
to the bed and play with them and today was her turn to be tied
up, so she really is tied up in there, waiting for me to come
back in.” That was when he stood up and said that he better
get going so I can get back in there with her. I then said,
no, don’t go and he looked at me wondering what I meant. I
then told him that when he called I was joking with her about
bringing you in there when you got here and at first she protested
and then after a while she said that I did not have the nerve
to do it. So I told him that I wanted him to stay because I wanted
him to go in the bedroom with me.

He was shocked and asked if I really meant it. I told him yes,
but there had to be some rules he had to abide by. He said anything.
So I told him that at anytime Susan or I say no, he has to just
get up and leave. He asked “is that it”, and I said yes. He
asked if he could have sex with her and I said lets see what
happens and play it by ear. I told him that he needs to be quiet
and not speak unless I tell him to and that he should just
follow my lead, because I did not want her to know he was there
and that I was going to continue to tease her as if we were
playing a game. He said “sure, let’s go.”

So we started walking toward the bedroom door and I again
told him to be quiet and not talk at all just before I quietly
opened the door to the bedroom. Susan was laying there in
all her naked splendor and Tom was oogling her and had this
shit eating grin on his face. Susan heard me and being blindfolded
asked if Tom has left and I asked her “what do you think”.
She said that she thought he left because I did not have the
nerve to bring him in here. As I walked to the bed I turned
the radio on to some soft music so she could not hear any of
our movements and then pinched her nipple with one hand,
I told her to think whatever she wants. She said that I was
all talk, no action and I said OK. That was when I walked to
the end of the bed next to Tom (he was stroking his cock through
his pants now) and I told her that I was going to tell her everything
that I am going to do to her before I do it and that right now
I want to lick her pussy and I got between her legs and started.
She was still horny as hell and her pussy was wet with her
lust. After a few minutes I stopped, she said don’t stop
and I got up and motioned for Tom to get between her legs and
lick her and he did and she was now moaning again and saying
don’t stop and a few minutes later she had another orgasm
and Tom stopped licking her. When Tom stood up I asked if
she liked that and she said yes, it was great. I then said
that that was Tom not me and she said “sure, I doubt it. But
it was a bit different than usual”

Now I just stood there with Tom and I reached down and took
off my pants and t-shirt and motioned for Tom to do the same
and I got on the bed next to her head and told her I wanted her
to suck my cock. Playing along with me, she asked “don’t
you want me to suck Tom’s cock” and I said maybe later as I
put my cock in her mouth and she started giving me a great
blow job. I was watching Tom take his shirt and pants off.
He was standing there with just his boxers on and his cock
making a huge tent. As he pushed them down I noticed that
his cock was a bit longer than mine but not as thick. Being
about the same size was a good thing because Susan may not
know it was his cock till it was too late.

I was rock hard and so horny knowing that another guy was
here watching my wife give me a blow job right after he licked
her to orgasm. Not wanting to cum yet, I told her that now
I wanted to fuck her and her being the wise ass she can be she
said “why not have Tom fuck me” and I said “OK but not yet”
as I was getting off the bed and walked to the end where Tom
was standing stroking his cock. I now got on the bed between
her legs and told her I was going to fuck her now as I rammed
my cock into her pussy and she let out a gasp and I asked you
like that and she said yeah as I continued to fuck her telling
her that I was going to let Tom fuck her next and again playing
along with what she thought was a game she said yes “please
let him fuck me. I want his cock.” I said beg for his cock,
let him know you want him to fuck you and she started begging
me to let Tom fuck her. So I said OK, pulled out and got off
the bed and motioned for Tom to get on and fuck her but whispered
in his ear to stay on his knees and not to get close to her face
so she does not smell him.

He got on the bed on his knees and I was right behind him and
I leaned over his shoulder so Susan would think it was me
and said “Tom fuck her good” and thinking it was me and playing
the game she said “yeah Tom fuck me good I want your cock.”
That was when I saw for the first time another guys cock enter
my wife’s pussy in one long stroke and she just sighed
and said “ohhh that feels so good, fuck me now Tom, fuck me
hard” and that was exactly what he did. Holding onto her
hips he started pumping his cock into her with long, hard
strokes and she was just loving it. She kept saying “yes,
yes that’s it fuck me harder, yes, yes…..” My cock was so
hard and I was stroking it watching him fuck my wife and her
enjoying it. But I had to stop stroking or I was going to cum
so I just stood there and watched as she was getting close
to another orgasm and she was saying “don’t stop, harder,
fuck me harder Tom, I’m going to cum” and he kept pounding
away and she had a really strong orgasm and then Tom pushed
his cock deep into her and held it there as he shot his load
inside her. She was in heaven, saying “oh yes, that’s it
Tom fill me with your cum” as he was pumping the last bit of
his cum in her.

When he was finished he backed off the bed and stood there
and I asked Susan “did you like that” and she said “oh yes”
and I asked “should I invite Tom back for another round sometime”
and she continued to play along and said “oh yes”. I said
I will be right back because I needed to get something to
drink and motioned for Tom to get his clothes and we walked
out of the bedroom and he got dressed and we said our good
byes, with him asking if everything was ok between us and
I said of course, but not to talk about this with anyone else
and he promised.

I walked back in the bedroom and got on the bed and asked if
she liked that and again she said yes as I ran my fingers along
her pussy just barely touching her clit and she moan yes
again. As I moved my hand down to her opening I could feel
Tom’s cum oozing out and told Susan that she was so sexy and
that I was still horny as hell and maybe I should have sloppy
seconds. I said that it would be really sexy to fuck her now
with Tom’s cum still in her and still thinking this was a
game she said “yes, please fuck me. Stick your cock in where
Tom just fucked me and feel all his cum.” So I got between
her legs, grabbed my cock and rubbed it up and down her slit
and then slowly pushed just the head in her pussy and sighed
because it felt so wonderful and then I slammed it in the
rest of the way. She just sighed again and said “now I want
you to fuck me again like before” and I said that wasn’t me
that was Tom. She just said “sure, then fuck me the way Tom
just fucked me” and I did, I pounded my cock in and out of her
pussy the way Tom just did, but I was so horny that I did not
last that long and I shot my load into her adding my cum to
Tom’s that was already inside her.

I then leaned down and asked if she enjoyed our game and she
said yes. As I pulled out 2 loads of cum started to run out
of her well fucked pussy and I just reached down and ran my
finger along her slit and rubbed the cum around her clit.
She was still moaning and asked me to make her cum again and
I lowered my head and started to lick her pussy, tasting
our cum as it was running out of her. It was not the first time
I licked her after I shot a load inside her, but now it was
different, she also had Tom’s cum inside her. I was
in heaven and licked her till she had another orgasm. Then
I got up and took her blindfold off and untied her and we hugged
each other in the aftermath of one hell of a fuck session.
One that I will never forget. To this day I do not think that
she knew it was Tom but who knows. She never admitted to it.
But from that day on I loved watching my wife (my ex and my
current wife) with other guys.

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