My mother in law Amy moved in with me and my wife about two months ago. I wasn't very happy about it, but she didn't have anywhere else to go and I couldn't tell my wife that I didn't want her to move in with us. I work from home a lot and every now and then I will meet a married woman and have them come over during the day to fuck while my wife is at work. And with Amy moving in, I knew those days were long gone.
I have been really missing getting strange pussy to come over so I have been watching porn and jacking off at my desk. My desk is "L" shaped that faces the door in my home office. I positioned it like that so if I was watching porn or emailing one of the girls I fuck on the side, I could close the screen before my wife would see it if she came into the office.
Yesterday I was watching porn and jacking off when Amy knocked on the door and before I could say anything she opened the door and came in. I muted the porn really quickly and scooted my chair under the desk real fast to hide my raging hard on.
A little about Amy, she is 55, about 5'2" tall and weighs about 100-105 pounds with a nice pair of 36C titts. I had never really looked at her in a sexual way but as I sat there with my pants around my ankles and my 7.5 inch hard cock rubbing on the under side of my desk, she was looking pretty good.
As she came in the room, she was still wearing her night gown. It was a loose fitting white dress type night gown, it was really low cut showing her cleavage. She came over to my desk and leaned down and put her hands on the desk top giving me a good view of her cleavage, almost to the point that I could see her nipples, which I could see were very hard by them poking at the thin fabric.
She asked, "what I was doing?" I told her, "just working on an account for work", as I looked up at the screen and there was a younger man eating an older woman's pussy, which made me smile a little. She asked, "what are you smiling at?"; as she came around the side of my desk to see what was on the screen. I tried my best to click the little X in the corner of the browser, but instead I clicked the "expand" button and the video went full screen just as she was at an angle to see it.
She said, "Oh my", as she moved one hand over her mouth and the other one cupped one of her breast. She wasn't far enough around the desk to see that I had my pants around my ankles. She just stood there staring at the screen. I didn't know what to do or what to say. I looked up at her and she was squeezing her breast with the one hand and was starting to stick her finger in her mouth with the other. She looked mesmerized by what she was seeing on the screen.
I was still in shock that she had caught me watching porn and still didn't know what to say, but somehow I managed to timidly ask her, "do you like to watch porn?" That took her out of her trance and she looked down at me and realized she was sucking on her finger and squeezing her breast. She pulled both hands away really quickly and started shaking her head side to side and was apologizing as she started to back away. I don't know what came over me, but I grabbed her hand and told her, "don't be sorry or embarrassed for liking to watch porn, everybody does it." She looked me in the eyes and said, "it's been a really long time since I have had any sexual desires, with Dan (her late husband) being sick for all those years and after he passed, I just haven't thought about sex." " But seeing that video brought back a lot of feelings, I am sorry I shouldn't be telling you this, you're my daughters husband, I should go." Without me even thinking as she pulled her hand away, I stood up to keep a hold of her hand, which caused my cock to catch on the edge of my desk and flick up out from under the desk. When she saw it she froze and didn't say a word. She stared at it for a few seconds, which seemed like an eternity.
Without saying a word, she looked me in the eyes and reached out and took my hard cock into her hand and started to slowly stroke it. She moved in close and said, "god forgive me", as she started kissing me.
I put my arms around her and cupped both of her ass checks, they were pretty firm for a 55 year old. I picked her up and sat her on the desk while we kissed passionately. I spread her legs and stood between them leaning down while we kissed. I reached down and pulled her gown up revealing her lacy covered pussy. I continued pulling her gown up until it cleared her head and I threw it to the side. I looked back around and she was sitting there with only her lacy panties on. I moved back in and kissed her as I cupped each breast. I then kissed my way down to her nipples. As I took the first one in my mouth she let out a loud moan, I pinched the other with my thumb and forefinger, which made her moan louder. I sucked and played with her nipples for a few minutes then started kissing her stomach and laid her down on the desk until my mouth was at her pussy. I kept playing with and pinching her nipples as I started licking the lacy fabric covering her pussy. I could feel the heat radiating through the thin material. I lick and sucked on her through the panties for a few minutes until she reached down and pulled them to the side and said, "please tongue fuck me, it's been so long since anyone has made me feel this way."
I didn't need to be told twice, I stuck my tongue out as far as I could and licked the entire length of her pussy starting at her taint and finishing on her clit, where I started making little circles with on it.
She was already having her first orgasm, she started bucking and shaking uncontrollable and screaming so loud I thought the neighbors might hear her and think something was wrong. But I didn't stop, it had been a really long time since this little sexy woman had came, and I wanted to make it as good as I could for her.
Her juices were starting to flow as she bucked her pussy up onto my tongue. I kept licking and started to penetrate her pussy with my tongue, this caused her to start shaking and screaming again. I didn't stop until she grabbed my head and pulled me up and said in a commanding voice, "I want that big hard cock of yours deep inside me NOW!"
I stood up and put my cock head at her opening and rubbed it up and down her slit, she reached out grabbed both my but checks and pulled me and said, "I SAID NOW!" I was kind of frightened and turned on at the same time. But I did what she said and plunged into her with one long hard stroke. She instantly started shaking again and was cumming all over my cock. I didn't even have to move, her bucking and spasms were causing my cock to pump in and out of her tight, hot, wet pussy. She had the tightest pussy I had been in in a really long time. I guess it was because she hadn't been fucked in all those years.
When she came down from her 4th orgasm, she held her arms out to me like she wanted me to hug her, so I leaned down and put my arms around her, she put her arms around me, and with our bodies tightly pressed against each other I started fucking her with long hard strokes. She whispered, "pick me up". As I started to pick her up she wrapped her legs around me and squeezed tight to keep my cock deep inside her. She then said, "take me to your bedroom". As I carried her to the bedroom with my cock still deep inside her, she was whispering to me, "I love your big hard cock, it's the biggest cock I have ever had and now that I live here, I will have it inside me everyday".

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