【The Lonely Sister-in-Law】Author: Unknown

My Lonely Sister-in-Law
Author: Unknown
Word Count: 4,000
Due to housing issues, my brother had to live with us after his marriage. My sister-in-law's arrival
was like a breath of fresh air in the house. She was quite attractive, standing at 1.62 meters tall with a full
bust and fair skin. Every time she walked past me, I could smell her delicate fragrance.
My lustful eyes were always lingering on her. What was worse, I discovered that my sister-in-law was a very sensual woman
, because I often saw her walking past my father and me wearing revealing clothes. Her breasts , not wearing a bra,
jiggled under her thin clothes, making my dad stare at her.
When we all sat together watching TV in the living room, her panties seemed ill-fitting; from the right angle, I could clearly
see the top of her thighs. So, my sister-in-law often became the object of my sexual fantasies. Several times, while
masturbating in the room, I imagined her lewd smile, and my semen gushed out. I almost
had the urge to rape her several times.
After my brother's honeymoon, he rarely came home at night, always saying he was too busy with work. My sister-in-law felt
neglected, and I often saw her coming to my room to chat with me, which made me incredibly happy. Being so close to my sexy
sister-in-law, staring at her full breasts under her clothes and the swollen
mound of her vulva between her legs, my little brother slowly hardened. Sometimes, right in front of her, my pants would bulge from my
erection. She wasn't blind; she noticed my change and saw her legs tremble slightly, her face
turning red. I saw her lustful gaze, and I knew I had a good chance.
However, with my parents watching, I lacked the courage to act.
My sister-in-law's lustful eyes encouraged me, and I decided to test her. So, while my brother wasn't home, I
placed an adult novel on her pillow. That night, the light in her room stayed on very late. I knew
she must have been tormented by that book; her vagina must have been very wet. I
was able to sleep only after masturbating. The next day, because it was a holiday, I woke up very late. I found my sister-in-law was already up
. When she saw me, she secretly slipped me a note. I opened it inside and read, "Wait for me
in front of the Longcheng Cinema at 8:30 PM." Seeing this note, I was overjoyed; I could finally
do *that* with my sister-in-law.
We didn't talk much that day; I just wished it would get dark quickly. That evening, after dinner, I immediately took
a shower, washing myself thoroughly. I went out first, and when I glanced at my sister-in-law, I saw her
smiling at me… I bought the tickets at the cinema and waited for her outside. Sure enough, at 8:30, my sister-in-law appeared right on time
. I walked over to her, gave her a ticket, and we went into the cinema one after the other. It
was so quiet inside; only a few people were watching. The movie was already halfway through, and it was dark inside. There were only very dim lights.
I really admired my sister-in-law's ingenuity. We went into a private box, and my sister-in-law seemed quite nervous. We pulled down the curtain
. Now no one could see us. In the darkness, we huddled close together. I was nervous too,
after all, we were about to do something not so good. I slowly calmed down. My lust got the better of me; this was a rare opportunity.
Being a guy, I figured I should take the initiative. I reached out and pulled up my sister-in-law's shirt, slowly moving my hand
towards her breasts. Wow… she wasn't wearing a bra, and her full breasts were immediately under my grasp
. Such big breasts! I couldn't hold them all with one hand, so I used my other hand. My sister-in-law had already pulled her shirt up
over her breasts. I grabbed her breasts and started kneading them hard. So soft… so satisfying… I thought to myself
. I bent down and took her nipple into my mouth, sucking on half of it, my tongue licking her erogenous zones
… Ah, licking! My sister-in-law's breathing quickened. Her nipples grew larger. Her breasts swelled up.
She hugged me tightly, pulling my shirt up. I cooperated and took off
my shirt. She eagerly unbuckled my belt, pulling my trousers and underwear down to my knees. My penis was quickly
captured by her. My already erect penis throbbed in her hand. I lifted her skirt and took off her panties
. Her vulva was incredibly fleshy, like a freshly steamed bun, with sparse pubic hair growing above it. Her labia
and inner thighs were smooth and white. I rubbed my fingers back and forth in the slit of her vulva, while
my mouth sucked hard on her nipples. Her vaginal fluid slowly seeped out from her slit.
My sister-in-law held the tip of my penis in her hand and stroked it up and down. As waves of pleasure washed over us
, we quickly reached an unbearable point. I asked her to stand up, spread her legs, put one foot
on a chair, and lean forward while holding onto the wall. I stood behind her, aimed my glans at her vulva, and
after a few thrusts, the glans slid into her vagina. I immediately thrust hard, and my entire penis was inside
. My sister-in-law tensed up and gripped my penis. We began to have sex. I kept thrusting and
pounding into her vagina until I ejaculated inside her. Seeing me panting, my sister-in-law
asked me to rest for a while. We hugged tightly, face to face, and I immediately put my tongue into her mouth. Our
tongues intertwined, and we kissed. Unexpectedly, my sister-in-law became
even more excited. (For communication, add QQ 494529570) She clung tightly to me, her lower body thrusting against my crotch, her wet vulva pressing forcefully
against my penis. I instantly became hard again. This time, she wanted me to sit on a chair, her
body slumped against my thighs. I held her close, positioning my penis against her vagina. She sat down, and my penis was swallowed again.
She started moving on her own, her body bobbing up and down, her vagina working my penis, vaginal fluid slowly
flowing from her vulva, wetting my abdomen and pubic hair. Twenty minutes later, she could barely move.
She told me she felt so uncomfortable. Her vagina felt numb and itchy; I knew she was about to climax. She
couldn't move on her own.
So I put her on a chair, her back against the wall, her legs spread. I placed her feet on my shoulders.
I immediately thrust my penis into her vagina and fucked her hard with all my might. She immediately started moaning and groaning
. With my relentless thrusting, she finally reached orgasm. Sticky fluid flowed from her vagina, her body tense
, her vagina contracting in waves. I kept pumping in and out, and she kept her eyes tightly closed,
enjoying the incredible pleasure until she let out a sigh of relief. Her body relaxed, and I knew she was satisfied.
I also thrust a few times and ejaculated a little semen.
That night, she went home first. I wandered around outside for a while before returning. No one at home knew that our relationship
had entered a new phase. We tried to find every opportunity to make love. Sometimes when our parents were out
, she would come to my room and release our desires on my bed. But our affair was soon
discovered by my father. One day, when we came out of the house after making love in my sister-in-law's room, we found my father sitting
in the living room. He must have heard my sister-in-law's moans. Because I noticed his pants were bulging,
he was clearly excited. Although he didn't say anything, we were both uneasy, and the atmosphere was awkward. So I
said to my sister-in-law, "It seems Dad knows about our affair. There's only one way to solve this:
drag Dad into it too." Although my sister-in-law wasn't interested in older men, she had no choice but to agree. I
said Dad was timid and wouldn't fall for it on his own, so my sister-in-law needed to take the initiative. So we
devised a very detailed plan based on a scene from an adult novel.
That evening, my brother wasn't home, so I invited my mother to sit at a relative's house. Only my sister-in-law and father were left at home
. My sister-in-law took a shower first, while her father-in-law was watching TV in the living room. After showering, she went to the living room to mop the floor. She
was wearing a very short, tight black skirt and her white blouse, which was her work uniform.
She said that whenever she wore this outfit at home, her father-in-law would stare at her. However, this time was different
because the top two buttons of her blouse were undone, and she wasn't wearing a bra. As she mopped the floor, her
breasts swayed back and forth, quickly attracting her father-in-law's attention. My sister-in-law deliberately mopped in front of her father-in-law,
turning the neckline directly towards him so that he could see her breasts. Because the neckline was so low, you could see
her breasts when sitting opposite her, even the nipples were visible, and they were trembling. She was swaying and moving
uncontrollably. Her father-in-law was clearly watching her, because she could hear his heavy breathing, and when
she looked up, their eyes met. Her father-in-law blushed and looked away, and my sister-in-law pretended to be shy
and smiled gently at him. But her father-in-law was indeed very timid. He dared not look at her anymore, so my sister-in-law had no choice but
to try the second method.
She suddenly told her father-in-law that she wanted to buy a dress but didn't know how to measure herself and asked him to help her. My dad knew how,
so he and my sister-in-law went to her room. My sister-in-law brought out a soft measuring tape, and my dad began to measure her, starting with
her breasts. Because my sister-in-law wasn't wearing a bra, my dad's hand only touched her breasts at first.
My sister-in-law took the opportunity to lean her body against his hand so that he could touch her breasts. Because she had been mopping the floor,
my sister-in-law was sweaty, and her shirt was immediately soaked with sweat, making her nipples visible. My sister-in-law saw that my father
's hands were trembling slightly, and knew it was time to begin. She took off her short skirt. Underneath, she was wearing tight white
panties, and her vulva was only covered by a thin strip of cloth, revealing her large labia and hardened clitoris
. She wanted my father to measure her hips, and he was already losing control. As he measured her, he deliberately
touched her vulva.
My sister-in-law said to him flirtatiously, "Dad, I also want to measure a place for you." My father asked, "Where
?" My sister-in-law said lewdly, "I want to measure how big and long your penis is." My father deliberately asked,
"What will you use to measure?"
My sister-in-law said, "Take off your clothes and lie on the bed, I have a way." My father didn't hold back. He immediately took off
his clothes and lay down, and he saw that my sister-in-law had taken off her panties. She straddled her father's lower abdomen, lifted her buttocks
, and, holding his penis, sat down on it, positioning it against her vaginal opening. Her father's entire penis was inside her.
The sister-in-law said to her father, "Although your penis isn't the biggest or longest in the family, it's the hardest.
" Her father replied, "Of course, I haven't made love with my wife in a long time, I'm so engorged." Hearing this, the sister-in-law
became even more lewd. She tightly gripped her father's penis and began to stroke it, while her father thrust his body upwards, and the two
... Their genitals kept colliding. The sister-in-law was exerting too much force, and soon she was drenched in sweat. The father grabbed
her breasts forcefully, pinching and rubbing them, causing her pain. He flipped her over, pinning her down, and
said, "Let me show you what an old man's pleasure is like." He then thrust his penis hard into her vagina,
biting her nipples with his teeth. The sister-in-law couldn't take it anymore and
begged for mercy, but the father only intensified his efforts. His stamina was astonishing, driving her to a frenzy of pleasure.
She experienced wave after wave of orgasms, but he didn't ejaculate. Finally, the sister-in-law pleaded, "Dad, please stop. I
know how powerful you are. My vagina is burning. Let me rest." The father thrust forcefully for another ten minutes
before finally ejaculating. The sister-in-law was almost breathless. She said she never expected her father to be so powerful at his age
. The father told her, "Haven't you heard the saying, 'Thirty is like a wolf, forty is like a tiger, fifty is like a broken drum'?"
(to be continued)

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【The Lonely Sister-in-Law】Author: Unknown

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