This happened when I was 16 and my sister Beth was 18. Beth had just graduated from high school and was accepted to a near by college in the fall. I had just finished my junior year in high school and was just six weeks shy of my 17th birthday. Our parents had decided to take an entire month for a second honeymoon. They had asked our neighbor Lavina to keep an eye on us and make sure we didn't burn down the house or any thing like that. They also told us they would call us every couple of days to make sure everything was ok and they would keep in touch with Lavina.
Beth and I took out parents to the airport on a Sunday night where they caught there flight. They had left us money for groceries and emergencies so we would be ok for the next month until they returned.
The next morning Lavina knocked on our door and invited Beth and me to her house to swim in her pool. Now I had always had a crush on Lavina and she knew it. She was in her mid 40's and very hot. She had blond hair down to her ass and DD breasts that she loved to show off. Luckily she never emberassed me about it. Beth and I always liked her. Growing up she would let us use her pool and we took care of her yard in the summer for her and we shoveled snow for her in the winter.
What none of her neighbors knew about her was that she was a lesbian dominatrix and with our parents gone she had some special plans for Beth and me. She enjoyed getting people into taboo situations.
At that time I stood 5'8", weighed a whole 130lbs (I was a skinny runt) and I have red hair and brown eyes. Beth was 5'4" tall and weighed maybe 100lbs with really cute B cup titties. She has red hair just past her shoulders and green eyes.
"Hi Bob, would you and Beth like to take a swim today?" Lavina's voice always felt like silk running down my back.
"Sure, let me get Beth and we will be right over." I told Beth that Lavina had invited us over to her place to swim. I put on a pair of blue swim trunks and Beth put on a yellow one piece bathing suit, that other than being a bathing suit wasn't all that sexy.
We walked together to Lavina's home. She met us at the front door and let us into her house. "Oh Beth Honey, you need a better suit than that. Why don't you try on some of mine? I am sure Bob won't mind swimming alone for a few minutes."
"Ok Lavina, I have wanted to get a two piece but Mom and Dada won't let me. I guess since they aren't here it won't be a problem." Beth sounded excited. I know Lavina loved wearing next to nothing when she sunbathed.
I went out the back sliding glass door to the pool. Beth and I are half Welsh and half Italian. So unlike most red heads I do tan without burning but I freckle up quite a bit. Beth will burn if she just thinks about going out into the sun without sun block.
I swam around the pool a bit and I was wondering what was taking so long when Beth and Lavina walked out the glass door. Beth was wearing a tiny green tear drop thong that barely covered her lips and clit. The top was practically transparent showing her nipples and the aeroelas. She had on a pair of matching green 4 inch heels. Beth had a half scared, half embarrassed look on her face. I started getting erect as she walked to me.
"See Beth Honey, I told you that you had nothing to worry about. I can tell Bob thinks you are very hot in that suit." Damn my erection! "Sorry we took so long, Bob, but I had to shave Beth's pubes bare for that bikini." Now it was Beth's turn to blush. Lavina knew how to hit our sensitive spots without going too far.
"Bob, will you put sunscreen on my back for me? I want to enjoy the sun before I swim." Beth lay on her stomach and untied the back of her bikini top. I straddled her legs and started rubbing her back with the lotion. She looked so hot and sexy, nothing was covering her but that thin strip of material between her pail ass cheeks. I rubbed her back, really giving her more of a massage then just putting the lotion on her. I also got her arms, I did each of her fingers individually and she was moaning with appreciation. After her arms I got off of her and did her legs. I got to her feet and I did each of her toes like I did her fingers, making sure that I was very gentle. I felt like a pervert because I had a raging erection from rubbing my sister's back and legs.
"Bob, make sure you get Beth's ass cheeks too, you wouldn't want her to burn there would you?" Lavina said, startling the living crap out of me. I had completelyforgotten about Lavina being a few feet away from us.
I started rubbing the sun block on Beth's ass and I got my fingers into her ass crack and accidentally probed her ass hole with my finger tip. Beth let out an audible moan.
"Beth, why don't you turn over now and let Bob do your front? Just take the bikini top off so you don't have to worry about any tan lines." I couldn't believe what Lavina had just said!
Beth turned over without a word and completely removed the bikini top. I just stared at my sister's breasts for a moment. I had never seen them before and she was just so beautiful in her glory before me. I, of course, had a raging erection and I wasn't even trying to hide it.
Beth then layed on her back and I straddled her legs and started rubbing lotion on her torso, first her neck, then her stomach and then to her breasts. I had my hands on my beautiful sister's breast, kneaded them while I squeezed and rolled her nipples with my fingers.
Beth just looked at me with her eyes half closed. She was moaning and breathing hard. "Yes, that feels so good Bob, please don't stop."
That was when Lavina came over to us and said,"Ok you two, time to take this inside."
Beth and I stood up and followed Lavina into her house where she led us to a bedroom. The walls, the floor and the ceiling were all covered with mirrors. The only furniture was a brass bed with red satin sheets and a comfortable arm chair in the corner facing the bed.
Lavina sat in the chair and said,"Ok you two, finish undressing each other." It didn't take long. First Beth took off my swim suit and saw my full 6.5 inch erection. I then took off her bikini bottom and saw her pussy close up. It was so pink and the lips were quivering, she was so beautiful standing there naked. "Now sit on the bed."
We sat next to each other and Lavina told us her plans. "I have watched you two grow up. The two of you used to be the best of friends. When you hit puberty you were always fighting with each other. I knew that you two were fighting because of the unresolved sexual tension between you. I saw the way both of you would sneaked looks at each other when you were swimming. I saw the way Beth looked at Bob when he was doing yard work. Now look at each other and let your true feelings for each other free!"
Beth and I looked at each other. She was so beautiful next to me. She looked at my face and then at my erection. When she looked back at my face we both leaned toward each other and kissed so lightly, just our lips barely contacting. We backed away a little and looked each other in the eye and we threw our arms around each other and kissed each other as deeply as possible. Our tongues caressed in each other's mouths. I pushed Beth onto her back and kept kissing her. I kissed her neck, her ears and her breasts. She just moaned "Oh yes, YES! "
I kept one arm around her to hold her close to me and my other hand went between her legs. She was so hot and wet. I slide two fingers into her pussy and my thumb stayed on her clit. I felt both of her hands go to my cock and balls. One hand stroking my cock and the other encasing my balls.
"Tell each other how much you love the other. Be more than siblings, be more than most lovers ever could be to each other!"
I was close to cumming and when I looked at Beth's nipples I thought she must be close too because they had turned from their usual light pink to a very dark red.
"I love you Beth and I want you forever!"
"I will always love you please always love me!"
All I had time to say was "I WILL!" I then jammed my mouth against hers as we both started cumming. I had never shot out so much cum or so far. It was on my chest and Beth's breasts.
Just as we came down we heard Lavina have her own orgasm. She had pulled her bikini to the side so her pussy was exposed and practically ripped off her bikini top to get at her own nipples.
"You two need a shower, now nothing but using hands below the waist on each other for now. After your shower together you two need to go home and be with each other for the night and remember, only hands below the waist. Come back tomorrow because I need to instruct you two a little more so you don't get into any trouble."
With that, Beth and I got dressed and walked home holding hands. We spent the entire evening naked and making each other cum with our hands while we made out. That night we slept together in our parents' bed.
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<a href="http://www.lushstories.com/stories/incest/know-thy-neighbor-part-1.aspx">Know Thy Neighbor, Part 1</a>