Let me just start off by saying that my wife comes from a good-looking family. Three sisters and two brothers. I met my wife at work and when she finally introduced me to her family, I was immediately smitten with her two sisters. Needless to say, my wife was the most beautiful of the lot but her sisters weren't throwaways either.
After we got married, we moved into a nice townhouse which had three rooms. Two more than we actually needed. As an idea, I suggested that my two sisters-in-law move in with us as their jobs were just nearby and at the same time, maintain the closeness they have with their sister. They found it to be an excellent idea and immediately made plans to move in with us.
This made me quite happy as many thoughts of sexual possibilities entered my mind. I'm a guy with insatiable sexual desires and having gorgeous women under one roof entertained a lot of things that can happen.
The first few weeks of togetherness was not at all awkward as they have gotten used to me and think of me as the cool brother-in-law. I was nice to them as well as they are genuinely nice girls. We would swap chores in the house and maintained a very casual and relaxed atmosphere. Even in the clothes we wear around the house.
Mary was the sister next to my wife and she has a hot body. Her breasts were not that big but had a killer ass. Her legs are nicely proportioned and I knew that she had a bit of a wild streak in her. She's had a few boyfriends and sometimes, my wife would tell me of the sexcapades Mary would have with her exes. I reacted indifferently when she told those stories and would even wish that she hooked up with nice guys as her exes were mostly assholes who only wanted to have sex. She seemed to always hook up with wrong guys and did the wrong things. She had always had a bad relationship with her mother.
One Saturday, my wife and her other sister (more on her later), went shopping and left Mary in the house as she was finishing some work she had to turn in by Monday. I also stayed home as I wanted to catch up on some DVDs and was not in the mood to stand around while women were shopping. At around noon, I felt a pang of hunger and wanted to go out for lunch. I knew Mary was in the house so I thought of asking her if she wanted to come along.
I went to her room and knocked to see if she was there. I did so but got no answer. I slowly opened the door to see if someone was in there and as I pushed the door, I saw Mary on the bed, taking a nap without any clothes on. Her back was to the door so I haad a clear view of her beautiful ass and pussy staring right at me. I could feel a cold chill running through me and I suddenly felt my cock harden. I didn't enter the room but starting jacking off while peeking.
I hit my hand on the door and made a loud noise which startled and Mary and woke her up. Upon seeing me, she covered herself with a pillow and yelled, "Joe, what are you doing in my room?"
"I'm sorry, Mary," I said all flustered. "I was just checking to see if you wanted to have lunch. It's noon."
Looking violated, she said, "How long have you been there? What did you see?"
"Everything. I saw you naked. I...I....I'm sorry. I didn't mean to," I replied.
She looked at me for a few tense moments as if not knowing what to do or thinking about something. To my surprise, she said, "I'm fat, aren't I?"
"No...no," I immediately said. "You've got a very very sexy body. And to be honest, it's something I've been looking at some for quite some time. Please don't tell you sister."
"I won't. You really thank I've got a great body, Joe?"
"Are you kidding me? If I weren't married to your sister, I'd probably be go after you."
"That's sweet," she said with what I thought was a naughty smile.
I suddenly noticed that I was still standing on her doorway with a big hard-on and my completely naked sister-in-law sitting on her bed. What came next was a big and pleasant surprise.
Without hesitation, she said, "Would you like to fuck me?"
Another cold chill ran up my spine. I couldn't believe what I just heard. I swallowed hard as my throat had run dry and managed to say, "Are you serious?"
"Completely," was all Mary said. "Don't worry, this is just going to be between you and me. We're all alone here and they won't be back for at least a couple more hours."
With that, she swept away the pillow she used to cover herself up and gave me a complete view of her body. Her breasts, while small, were perky and had nice nipples. The were obviously hard and ready. She stood up and I could see her clean-shaven pussy which made my dick all the more hard. I love shaved pussies and this was the ultimate turn-on for me.
"What about your sister?"
"What about her?," she again replied. "I won't tell if you won't."
She went towards the door and took my hands and led me to her bed. Next thing I knew, she was taking off my boxers and looking at my swollen dick as she was going to devour it. She slowly grasped it with her left hand and stroked it gently. She was an expert, I could tell.
"You like this," she mischievously asked.
"I'd like it more if you ate it and gave me a blowjob," I quickly said.
She pulled my dick towards her mouth slowly and swallowed me whole. Mind you, I'm about 7 inches long and a bit thick so I was worried she might start gagging. But she took the whole thing in gave me a deep throat blow. Her mouth was so hot and wet, it was like being in a pussy. Her tongue played with my dick's head and her hands were playing with my balls gently. I had to control myself from coming as I knew there would be a big wad if I did. I've been always considerate to my sexual partners and my sister-in-law would be no different.
She started to suck faster and faster like a hungry animal. I was about to lose it and told her I was coming in the next minute or so. She nodded her hed to say okay and continued to blow me like there was no tomorrow. At this point, I was screaming real loud and when I couldn't hold it anymore, I blew my whole wad inside Mary's mouth. She took it all in and I could feel her tongue licking my dick's head and finishing off any semen still spurting. She was swallowing everything and it was big spurt from what I could feel.
Finally, she released my cock from her mouth and she was breathing hard.
"Damn, that was the best come I've ever tasted, bro! And the amount. That was a lot!"
"Mary, that was the best blowjob I've ever had. Even your sister isn't that good."
"I know more than she does. She's suppose to be the good girl. I'm the black sheep, remember?"
We were now lying on her bad and holding each other. I put my hand on her right breast and started playing with her nipples. They grew hard again with my tender touch and I went ahead and started sucking on them. As I sucked, I could hear Mary moaning and her body writhing in pleasure. I started touching her whole body and she was shaking.
My hand reached her smooth pussy and eventually found her clit. My fingers rounded them expertly and I could feel her getting wet. The moans got louder as I continued to suck her nipples and play around with her clit. Suddenly, I plunged my middle finger into her pussy and she let out the most arousing groan I've ever heard. She was wet and soft. Inside was very hot. I wanted my cock in there already but I wanted to play with her a bit more.
I released her nipples and immediately went down on her and starting eating her very wet pussy. My tongue darted in and out, alternating between the labia and the clitoris. In the meantime, she was writhing in ecstasy and pushing my head more into her. She was delicious. I could taste every bit of her and her juices were salty and hot.
After a few minutes, I finally raised myself and told her that I was going in.
"Dammit, fuck me, Joe! I want that hard cock inside me now.!!"
Being the obedient brother-in-law that I was, I obliged Mary and thrust my cock inside her now overflowing pussy. I could not believe I was actually fucking my sister-in-law. There was an equal mix of disbelief, guilt, pleasure that I couldn't explain. But with every thrust, all I could think of was how great this was.
I told her I wanted to fuck her doggy style before I came and she agreed. She quickly got on all fours and I entered her through the back. Again, she let out the horniest moan I could imagine. I was completely hard myself and rammed Mary from behind like I was riding a bronco. We were making so much noise that the neighbors could probably hear what we were doing. At that point, I didn't care anymore. All I could think of was fucking Mary.
"I'm about to come," I managed to let out. "Do you want me to pull it out?"
"Nooo!!! I want to feel you come inside me!, " Mary screamed. "I'm almost there too."
I knew there would be no risk of pregnancy as Mary was taking pills. But I wanted to be sure this was what she wanted.
In a few moments, I said I was about to come and she said that she was too. I finally exploded inside her and I could also feel her hot orgasm engulf my cock which was still inside her.
As I pulled out, we both fell flat on the bed, breathing hard and sweaty. We let a few silent moments pass and finally spoke.
"That was one of the best fucks I've ever had."
"Come on, Joe. Stop patronizing me. I know you've had many women. I can't be much better than most of them."
"Seriously," I said, "that was one of the best. I haven't blown that much come in years."
"Not even with my sister?," Mary surprisingly asked.
"No. She's good in bed but you're fantastic."
Again some silence. After a few more minutes, she again spoke.
"We can do this again in the future if you like."
"Really?," I shot back. "Are you sure? You won't hate me later on for doing you and your sister?"
"No. Joe, I've always had little crush on you and if my sister wasn't married to you, I would have gone after you too. But after this afternoon, I don't think I could be without you anymore. I need you to fuck me regularly now."
"But you've got men after you. Why me?"
"Because you're nice. And you fuck like a stallion."
"Alright. But this is just our secret, alright? I couldn't bear it if your sister knew what we were doing."
With that, we took a shower where she have me a handjob before we towelled off. We had a late lunch and got back to the house well before my wife and her other sister got back.
I thought having sex with Mary was great but wait till I tell you what happened between me and Anne, the youngest sister.
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