My wife's younger sister wants to borrow sperm

I've been married for six years and have one child with my wife, Guiting. Our family is warm and happy.

My sister-in-law, Guilian, is 30 this year. There's a slight age gap, but everything has been fine until recently when something happened to her during an artificial insemination procedure – something that still lingers in my memory! Guilian got married at 26, but even after three years of marriage, she still hadn't conceived. Her parents were very anxious, and my wife even asked me to bring back some special medications from her trip abroad, but none of them worked.

Later, I asked my wife to secretly ask Guilian if her husband had any issues with his sexual function.

To be honest, I felt a little awkward asking her to do that: objectively speaking, Guilian isn't as pretty as my wife, but she's a few years younger than us, very youthful, and has a very fit figure – the kind that makes you imagine how taut your skin would feel.

If her husband had a problem, wouldn't that give me a great chance? Guilian and her husband had a whirlwind romance; they only started dating a few months before the wedding.

So before Guilian had a boyfriend, she often came to our house to play, especially in the summer. She was very casual at her sister's house, running around in my wife's nightgown, clearly not wearing a bra, which always made my little brother feel secretly uncomfortable. Also, when we first renovated, we had a decorative thermometer nailed into the wooden door of our bathroom. Later, the thermometer was removed, but the nail left a small hole through which we could see everything inside the bathroom. Before my wife noticed, I quickly put up a picture of her favorite celebrity.

This little hole was my source of pleasure when I spied on Guilian showering many times. Back then, she clearly had a girl's body; her breasts weren't big, but her nipples were large, round, and firm. Her pubic hair was very thick, shaped like a trimmed Arabic numeral "1".

Because the hole was too small and too high, I never clearly saw what Guilian's pubic area actually looked like.

This thrilling act of voyeurism ended with her marriage… I once wondered if Guilian, living in a large family and seeing me frequently, might have developed feelings for me, given that I was probably the first young man she encountered most often before her growing innocence. However, an incident later shattered this hope: Guilian and her brother-in-law came to my house. I had just returned home and was changing into my pajamas in my bedroom, down to just my underwear, when Guilian, without knocking, came in to get her sister's skincare oil. Seeing me dressed like that, she exclaimed, "Ah!" I awkwardly said, "It's okay, I'm not completely naked." Guilian

nonchalantly replied, "Hmph! Who cares!" and left.

Furthermore, in the summer, Guilian often wore low-cut clothing, and whenever she bent over in front of me, she would instinctively cover her chest, as if afraid her brother-in-law would see, just like the subconscious actions of strange women I'd seen outside.

From then on, I concluded that Guilian only saw me as a brother, and I never harbored any further expectations.

Later, one weekend, my wife came back from Guilian's place. Afraid the children would overhear, she secretly pulled me aside to the nanny's room and told me that she had asked Guilian and heard that although her brother-in-law wasn't very vigorous, he was a normal man who could have sex. She had also been to the hospital and her body was fine; there were no problems with her fallopian tubes or uterine adhesions.

My wife told me to think of a solution, otherwise her parents would worry too much.

I had no choice but to follow her orders and inquire around. Later, I heard from a friend who worked at a hospital that even if a man's erection and ejaculation were fine, if the semen concentration was insufficient or there were no live sperm in the ejaculate, he couldn't conceive.

I told my wife this news, and a few days later she told me that Guilian had forced her brother-in-law to get checked, and it turned out he really had azoospermia! The young couple were preparing to undergo artificial insemination.

But my wife said she had an embarrassing request for me to agree to: she hoped I could donate my sperm. Guilian felt that although the sperm provided by the hospital was supposedly donated by healthy men with at least a college degree, she was worried that if the man was too ugly, it would harm the next generation.

Besides, her brother-in-law was so handsome, and her sister's child was so beautiful and intelligent; Guilian felt that using my sperm would definitely result in good genes, and the child would have a genuine kinship with this family. She just wanted to keep it a secret from her parents, as she was afraid their traditional thinking wouldn't accept it.

I said, "Wife, if you don't have any objections, of course I don't! Haha, I'll have another child!"

My wife said, "You wish! You absolutely mustn't tell the child. Firstly, to protect the child's feelings, and secondly, this is a condition Guilian agreed to for her brother-in-law."

The next morning, Guilian called me: "Brother, thank you! I finally managed to convince my sister yesterday, but I was worried you might disagree!"

"How could that be? Which hospital do you need to have your sperm collected? I can go today," I replied.

"It's in Yiling's department."

"Ah, Yiling?" I really didn't expect to hear the name Yiling.

Because Yiling is Guilian's classmate, and she works in the obstetrics and gynecology department of a large hospital in our city. I had asked her husband to help us buy a cell phone before, and we had dinner together.

"But why would I have to go to the obstetrics and gynecology department to collect sperm?... " I asked Guilian in surprise.

"Brother... it's like this, it was Yiling's suggestion. Since I chose someone close to me to donate sperm, we shouldn't use frozen sperm like usual, because that will cause some sperm to die and affect the conception rate... You see, I'm embarrassed to say this..." Guilian stammered as she explained.

"Well, okay, no problem."

I thought to myself, it doesn't matter, anyway, I won't get any advantage over Guilian no matter how the sperm is collected, it's just that the sperm is skipped the step of being flash-frozen with liquid nitrogen.

"Then please don't drink alcohol or smoke these days, okay? Just for the sake of your future nephew! Brother-in-law!" Guilian seemed much more relaxed when she spoke.

"No alcohol, no problem, but quitting smoking will really take some effort,"

I thought to myself. He's not some nephew, he's clearly doing this for my "son."

"Thank you, brother-in-law. Then, in two weeks, we'll go to Yiling's place together."

After hanging up, I subconsciously stubbed out the half-smoked cigarette.

A week later, because my wife was away on a business trip, it was just Guilian and me at the hospital.

Upon entering the hospital, Yiling stopped her brother-in-law outside the OB-GYN operating room. Then Guilian went into the operating room to prepare, and I was led to an instrument room attached to the operating room.

Yiling told me that this wasn't like the sperm collection room in the hospital's urology department; there were no stimulating videos to watch. I had to figure out how to get my semen out myself and put it into a glass container she gave me.

Yiling left, and seeing that it was a bit warm, I completely took off my pants, took out my penis, and told it, "You'd better perform well today and give me some high-quality seed."

Then I slowly started stroking it with my hand.

Although the thought of Guilian next door, perhaps even naked underneath, immediately aroused me, being alone in this "KTV" was really boring. I'd been masturbating for 10 minutes and still showed no sign of finishing.

"Squeak!" The door suddenly opened, and Yiling quickly slipped in. I was still masturbating, though I'd never dared to contact her before. I never imagined my penis would be so firmly held in her hand... My penis throbbed uncontrollably.

"Brother Liu, I didn't expect your penis to be so big, it's really rare! But your foreskin seems a little long."

Yiling stroked my penis back and forth while looking at me with a strangely tender gaze.

"It's okay, it's only noticeable when it's flaccid. You see, when it's erect, the foreskin retracts completely. It won't affect the quality of our sex life, will it?" To be honest, I hadn't considered this a problem before.

"Who says it doesn't matter? A slightly long foreskin can also trap dirt and grime. Also, because it's usually covered by the foreskin, the glans penis, which is suddenly exposed during an erection, can't handle the strong stimulation and won't last long."

Yiling said this very professionally.

"Oh, to be honest, that's something I'm insecure about. Although my penis is bigger than average, I usually ejaculate within 10 minutes of penetration. So that's why." "

It's nothing. Come back later, and I can even do a circumcision for you. It's just a minor surgery."

After Yiling finished speaking, she carefully used a cotton ball soaked in saline solution to wipe the coronal sulcus near my glans. Her face got closer and closer to my penis. Just as Yiling's lips were about to kiss my penis, the door creaked open again, and Guilian walked in unexpectedly.

"Yiling, what are you doing?" Guilian asked, seemingly a little unhappy.

Yiling instinctively covered my penis with both hands, but her hands were too slender, only enough to cover the penis itself, leaving my scrotum completely exposed. Guilian was staring intently at it, completely unlike her nonchalant expression when she saw me changing clothes last time.

This made me very uncomfortable, and I grabbed a crumpled pair of pants and covered my bare legs.

"Oh, the conditions here are too unprofessional. Kang Ge's sperm can't be ejaculated. I'm going to use rectal stimulation of the prostate to help Liu Ge ejaculate."

Yiling reacted quickly, her calmness highlighting my panic.

"Yiling, I want to ask you, what will you use to put your brother-in-law's semen into my body later?" Guilian seemed uneasy about the procedure, but her eyes were still fixed on Yiling's hands covering my penis.

"We have a special insemination device, don't worry. We perform hundreds of artificial insemination cases a year, experience and sterilization are not a problem."

Yiling remained squatting.

"What's that instrument made of? Is it cold?"

Guilian squatted down next to Yiling. Because she was wearing a surgical gown with a wide neckline, I could clearly see her deep cleavage. My penis, which had been acting up, suddenly sprang out from between Yiling's hands, and she quickly covered it with her hands again.

"Yes, it's made of alloy, but I can warm it up for you so it won't be too cold."

"Yiling, I have a favor to ask. I don't want that metal thing inside me. I want a son. I heard that the chances of a woman conceiving a son are higher when she orgasms. So, please let your brother-in-law insert it directly into my body. But please don't tell Xiaohua (my brother-in-law's name), okay? Brother-in-law, please, just for your nephew!" Guilian pleaded, and her right hand quickly touched my scrotum, gently rubbing my testicles with her fingers.

"We're siblings, how awkward would it be if we did this?" Although I was more than willing, I still said this against my will.

"This is a special case, so we'll handle it specially. If you don't say anything, I don't say anything, and Yiling doesn't say anything, my sister won't know either! Brother-in-law!" Guilian's right hand had already pushed Yiling's hands away and gripped my penis tightly.
My penis had already involuntarily trembled several times.

"Alright then, but we need to go to the operating table. The hygiene conditions here aren't good!" After saying that, Yiling snatched my penis back from Guilian's hand.

I quickly found a way to back down, stood up quickly, said it was too hot here, and took off my shirt as well, walking naked out of the operating room.

Guilian quickly followed me out, lay down on the bed, spread her legs, and placed her two fair and tender legs on the support of the delivery bed. At this moment, her entire vulva was truly exposed in front of my eyes. Although I had peeked at her pubic hair before, this was the first time I had seen her labia majora and labia minora, and so close.

If my blood pressure could have been measured at that time, it would definitely have been over 180.

Just imagine, I'm about to have sex with Guilian, whom I've been longing for! God, am I dreaming? I carefully brought my head close to Guilian's vulva and gently licked her labia minora with the tip of my tongue. She let out a soft moan, then her body trembled a few times, spreading her thighs wider. Her labia minora slowly parted, revealing a pink vaginal opening and a slightly erect clitoris. I used my fingers to completely separate her labia minora and then moistened her clitoris with the entire surface of my tongue.

"Seeing you so comfortable makes me want to get artificial insemination,"

Yiling said, putting on surgical gloves as she walked up to me and began stroking my penis.

"Don't make me ejaculate, how am I going to inseminate Guilian later! I'm afraid the stimulation will be too strong, and if I ejaculate, all the pleasure I haven't enjoyed will be wasted."

"It's okay, I'll help you press on your perineum later, which will greatly delay ejaculation. Besides, it's normal for you to ejaculate within 10 minutes after penetration, don't put pressure on yourself, it will only increase the duration of intercourse." Yiling said, rubbing her genitals with her other hand.

Guilian didn't say anything, quietly enjoying her brother-in-law's oral sex with her eyes closed. In a short while, Guilian's genitals were already soaking wet. I thought it was about time to penetrate, but she sat up again, jumped off the operating table, and pushed my buttocks to the side of the operating table so that I could lie down.

Then she said, "Every time I see my sister looking so good, I'm so envious. I think my brother-in-law must be amazing. Look how strong you are, while Xiaohua is so thin. I thought that after we got married, I would urge him to exercise more, but it didn't work out. Brother-in-law! Your penis is so big! Xiaohua's is only two-thirds the size of yours. I can't even swallow the whole thing! Let me take a good look today."

As Guilian spoke, she took my penis into her mouth as much as possible, while Yiling could only rub my testicles from the side.

Guilian quickly licked the lower part of my glans and urethra with the tip of her tongue. I felt a tickling sensation and simply let them play with my penis.

After a while, I felt that the licking method was different. I opened my eyes and saw that the person licking my penis was now Yiling. Her tongue was very soft and warm, which made me feel particularly comfortable.

After Yiling licked for a few times, Guilian pushed her away.

"I'm the one who needs to be fertilized, why are you enjoying yourself here?" Guilian began to scold Yiling.

Yiling said, "Look at you, you stingy little devil. Do you think it's easy to see something this big? Besides, I'll disinfect it with my saliva, hehe."

Guilian told me to get up and said, "Brother-in-law, come in quickly. I'm so wet down there, it's so uncomfortable. Hurry up and fuck me!"

"Look at you, you little slut. How come I didn't notice when we were in school?" Yiling said sourly from the side.

With a "plop," my penis slid all the way into Guilian's vagina. It was indeed very lubricated. The back and forth thrusting felt so good! After a few thrusts, I suddenly realized that I hadn't seen Guilian's breasts yet, so I said coldly, "This thrusting doesn't seem to be stimulating enough. I feel like a robot!"

"Then how do you want stimulation? I've already let you penetrate me completely. What more do you want?"

Guilian asked in confusion, while Yiling quickly unbuttoned her top, took off her bra, and revealed a pair of large breasts. Her nipples were long and already erect.

"Men also need visual stimulation during sex; it can help them improve the quality of their orgasm."

Yiling lectured Guilian like a teacher, while rubbing her own ample breasts with one hand and my scrotum with the other.

"I don't need you to stimulate me; I have that too."

Guilian said, simply opening her surgical gown, revealing a pair of exquisite breasts to my eyes. Wow! The nipples were so pink, and I could even see the goosebumps. I quickly reached out and grabbed them, kneading them and constantly pulling on her nipples with my fingers, occasionally licking them with my wet lips.

Guilian couldn't help but moan, and Yiling quickly covered her mouth.

"You'd better be quiet. You told me not to tell Xiaohua, but if Xiaohua suspects something and rushes in, what will you do then!"

Guilian was so frightened that she quickly bit down on the corner of her undone surgical gown, frowning as she continued to receive my thrusts.

Strangely enough, perhaps because of Yiling's encouragement, I lasted much longer today, thrusting for more than 20 minutes in several different positions before ejaculating. Although it wasn't as long as some hardcore guys who could go at it for an hour or two, it was very satisfying for me, because Guilian also reached orgasm several times. After

I ejaculated, Yiling told me not to move, to keep my penis inside so that the semen could be delivered deep into Guilian's uterus.

Guilian was already exhausted, her eyes closed as if she had fainted, so I could only continue to hold her waist and wait for enough time before pulling out.

At this moment, Yiling brought her nipple to my mouth, indicating that I should lick it for her.

About ten minutes later, just as Yiling saw my penis rise again and was about to take off her pants, my brother-in-law called from outside the operating room, "Yiling, are you done? Why has the surgery taken so long?"

Guilian woke up with a start, quickly sat up, and reluctantly kissed my once-erect penis before quickly putting on her surgical gown and lying on the mobile stretcher she was supposed to lie on after surgery, ready to be wheeled out of the operating room.

Yiling regretfully tidied her surgical gown and told my brother-in-law, "Almost done!"

In the following months, my wife and brother-in-law seemed to deliberately keep us away from each other, not letting Guilian and me meet alone. But her artificial insemination was successful, and she gave birth to a healthy and beautiful baby boy 10 months later.

These past few days, Guilian has gone back to her parents' home for postpartum confinement. Sometimes, when it's just the two of us alone in a room, she doesn't seem to care that her mother-in-law or my wife might come in at any time, and deliberately exposes her breasts to breastfeed the baby. I know what this means, but I'm afraid that if I let it continue, my family will find out sooner or later, so I always pretend not to understand.

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My wife's younger sister wants to borrow sperm

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