Sexual battles that started with sperm donation

After I finished grocery shopping and returned home, my sister and brother-in-law were already waiting for me. They were playing with my 3-year-old son, while my husband was watching the news on TV. I told my husband to go to the kitchen to prepare some food, and then I let the child go to his room to rest. Only my sister, brother-in-law, and I were left in the living room. At this moment, their cheerful playfulness with my son vanished, and they began to report to me with worried expressions about the morning's tests. My sister's eggs were normal, but... My brother-in-law's sperm count, both in terms of quality and quantity, wasn't ideal due to his physical condition and lifestyle. At this moment, my sister, with a tearful face, said to me: "We are so eager to have a child, and my mother-in-law is pressuring us relentlessly. Now the test results are not good, and we don't have the money for artificial insemination to pay for the car and mortgage. Is God really going to be so cruel to us?" Seeing them like this, I didn't know what to do when my husband called out: "Dinner's ready!" That saved me.

My husband's cooking is indeed excellent; he's more like a wife than I am. Who knew he was a busy company manager with a very strong physique? His sexual skills always leave me breathless. My sister's envious gaze naturally makes me incredibly proud. After dinner, I sent my husband and the others to watch TV while my sister and I stayed to wash the dishes. My sister kept praising my husband, and I kept trying to soothe him. At that moment, I don't know why, I had a crazy idea: since my husband is so great, why don't you go sleep with him and try to conceive a baby? Let's see if we can give you a big, healthy baby. My sister was so shocked by my idea that she blew a cold breath and then licked her lips. I knew this slut had been hungry for a long time. So, without further ado, we decided to announce the news to the men in the living room. Our son tilted his head and looked at the adults with a puzzled expression, but my husband and brother-in-law were just as confused. Realizing I had said the wrong thing, I quickly took my son back to his room and put him to sleep. I explained the plan to the other three: let my brother-in-law and his wife stay overnight, and then, with my brother-in-law and me as witnesses, watch my husband have sex with his sister. My husband and brother-in-law both objected, so my sister and I started explaining the consequences to them. Unable to argue with us, they had no choice but to agree. To avoid embarrassment, the four of us locked the door and took off our clothes. Then my brother-in-law and I sat to the side, while my sister and husband stared at each other across the bed for about 20 minutes. Impatient, I used my penis as the center of gravity to pull my brother-in-law up and said to them: "I even dared to hold another woman's husband's penis. Do you think you, a grown man, wouldn't dare to have sex with my sister with my permission? My sister is a college beauty queen. What do you have to be picky about?" And you really are showing off your slutty side by the sink. Not everyone can enjoy my husband's fresh-faced genes. Today, I'm going all out, so why are you all acting like middle schoolers and being shy? Since you're so reserved, let the two couples practice first, and then we'll "officially begin" once we're in the mood. At this moment, my husband said: No need. After saying that, he rolled over to the other side of the bed, pounced on my sister, and started clumsily caressing each other. I also loosened my trembling penis, which was covered in secretions, and my brother-in-law and I sat back on the chairs to watch. My husband, wanting to finish quickly, started to penetrate me. My sister screamed, which opened the prelude to this "treatment." The four of us, immersed in this lewd atmosphere, were broken by a cry. It turned out that my sister's shout had woken the little guy up. Finding his mother and father gone, he started crying. So, we reluctantly got dressed and quickly comforted our little darling. After finally getting him back to sleep, our hard-won sexual desire had subsided, and the two sisters had no choice but to take their husbands back to their respective bedrooms.

A month later, I left my son with my mother-in-law and took my husband and sister-in-law and their husbands to a hot spring during the four-day holiday, hoping to try human conception again. For this, I specifically booked a four-person room, hoping to conceive in one go.

In the bathroom, my husband and I were soaking, while my sister and brother-in-law were washing each other under the shower. Watching them lather and caress each other, we started embracing in the tub. My husband's tongue began licking my neck and ears, and I, not to be outdone, stroked his penis. But then, with a slip, he used his hand to slide into my vagina. I could only hold onto his buttocks, enjoying his penetration. Sliding in and out with the warmth of the hot spring water, I was lost in the sensation. Then my husband pulled out his penis and joined my brother-in-law and the others. My sister, under the onslaught of the two men, gradually lost herself in the moment. I could only use my fingers instead of my husband's penis to watch the three of them having sex. At first, the two men were almost at the same pace, but how could my slightly overweight and sedentary brother-in-law be a match for my husband, who exercised daily? Eventually, he ran out of energy and fainted. My sister's supporting posture gave my husband an opportunity, so he penetrated her from behind. Although my sister resisted, she quickly succumbed to my husband's strength. He had no choice but to lean him against the wall, and then the two of them fucked each other from behind in front of him, who was slumped over. Seeing this, I had to stop what I was doing and pull my brother-in-law back to the room from the two of them, who were lost in their passion. Through the fogged glass wall, my husband and sister, under the influence of the hot spring steam, abandoned... Taboo, driven by instinct, we changed positions and intertwined. As I was wiping my brother-in-law's body with a damp towel to cool him down, my movements gradually became gentler, and I moved the towel towards his groin. Eventually, my brother-in-law's penis began to erect. Although it wasn't as thick and long as my husband's, the steam from the hot spring made his blood flow more vigorously, and his penis was even harder than my husband's. I wrapped the towel around my brother-in-law's penis and stroked it under the guise of cooling it down. With a loud thud, my husband slammed my sister against the glass wall. Her body writhed in agony, and my husband, perhaps seeing me caressing my brother-in-law, ravaged his wife driven by lust and anger. My delicate sister couldn't withstand such treatment; her cries grew increasingly shrill. Finally, as they both reached their ecstatic climax, my brother-in-law's penis ejaculated, warm semen staining the towel.

About two hours later, my brother-in-law finally awoke. The three of us finally felt a huge weight lifted from our shoulders. During the subsequent holiday, my sister and husband continued their "battle," while my brother-in-law and I maintained our tacit understanding from the first day, suppressing our sexual urges caused by my husband and sister making love in front of us.

Not long after the four-day "treatment," my sister finally became pregnant with twins, a boy and a girl. The whole family was overjoyed, but an unusual feeling began to spread among the four of us, something we hadn't anticipated... My

brother-in-law outwardly seemed immersed in the joy of the family's newfound happiness, but a melancholy expression frequently crossed his face. As a man, he felt burdened by the fact that his children were his brother-in-law's offspring, and he couldn't confide in anyone about it. From the somber look on his face, I knew he had been suffering from insomnia for several days.

One day, after informing my husband, we arranged to meet my brother-in-law in a quiet coffee shop that evening. An awkward atmosphere filled the air as we sat at the coffee table, exchanging only a few words. I decided to defuse the tense atmosphere, but for some reason, I asked a really tactless question: "When is the next time the four of us can go out together?"

Hearing such an inappropriate question, he blushed shyly, and my husband even smacked my head. I knew I had said the wrong thing, but this tactless question also swept away the initial awkwardness, and we started chatting happily. The three of us went our separate ways. My husband and I walked back to the MRT station, and halfway there it suddenly started pouring rain. We ran under the eaves to take shelter, when a car horn rang out. I saw my brother-in-law's car parked not far away. He came down with an umbrella and helped my husband and me into his car. The three of us, soaking wet, continued our conversation from the coffee shop. Finally, we got home, and at our enthusiastic invitation, my brother-in-law came with us. After we showered and changed, and made sure our son was asleep, we opened the wine cabinet and started drinking with abandon. Then, emboldened by the alcohol, the two men began to grope my body. Our clothes were removed piece by piece—my buttocks, my breasts, my vulva. As they caressed me, my body began to react as if electrocuted. Finally, in my dazed state, they pressed their penises against me. I, not to be outdone, used both hands and mouth, my upper body bathed in their semen. But fueled by the alcohol, their penises showed no signs of abating. So I lay down on the sofa, and my husband, impatient, inserted the "key" into the familiar "lock."My brother-in-law urged my husband to switch hands quickly, but my husband ignored his urging. Instead, he lifted me off the sofa and gestured for him to penetrate me through my anus. So the two of them took turns attacking me from both sides. I don't know how many times we came, but if my son wakes up and sees this scene of flesh lying on the ground, it might give him a special and unforgettable sexual awakening.

Several months later, I also became pregnant with twins, a boy and a girl. However, the discovery that the fathers of the boy and girl were different people is another story.

Five years later.

From the time I was in postpartum confinement, my husband always made excuses to go to my sister's house. At first, I didn't think much of it. After all, it's always good for two families to exchange experiences when they both have twins. But as time went by and the children's appearances gradually took shape, I began to have doubts. Why did the older twin brother look like my brother-in-law, while the younger sister's nose resembled my husband's? When I asked my brother-in-law and his wife, they just gave me evasive answers. So, upholding my experimental spirit and a woman's intuition, I decided to find out the truth myself.

After obtaining the specimen collection tools from a nurse friend I knew, I took advantage of the opportunity to wash the baby bottles to obtain specimens from the suction ports of the siblings' bottles. Then, I obtained specimens from my husband and brother-in-law. First, I obtained the sample from my husband. I wore sexy lingerie for this time of intercourse. With the added allure of the night and the outfit, my husband pounced on me eagerly. However, my husband, who I spend every day with, was even more virile than before, and his penis penetrated deeper. This husband made me endlessly immersed in desire, almost forgetting my purpose. In a rhythmic alternation of shallow and deep penetration, I uncontrollably ejaculated several times, while my husband remained as firm as ever. I secretly admired my husband's improved "endurance." Finally, with a simultaneous moan, we both reached orgasm, and I collected the sample from my husband. Finally, there was the sample from my brother-in-law's side. This was the most difficult hurdle in this evidence-gathering journey. After all, although the two families were very close, finding a way to collect the sample without arousing suspicion was quite difficult.

Since my husband had to go on a business trip for three days, my sister asked me to bring my children to stay with them. I thought that since that was the case, I would take the opportunity to bring my brother and sister there. Once there, I wanted them to play with my sister's children as much as possible, and I would find opportunities to collect samples.

On the first day, after dinner, I volunteered to wash the dishes for everyone in the house, but my sister and brother-in-law insisted that they wash them themselves. In the end, the three of us had to wash them together. It seemed that collecting saliva samples wouldn't work.

The next day, my brother-in-law was taking a shower, and the towel was far from the bathroom. My sister was cooking and couldn't leave her side, so she asked me to get the towel. By the time I got it, my sister's son had already taken the towel for my brother-in-law, so the hair-collecting operation failed.

On the third day, the last chance, since my brother-in-law and sister were going to a college classmate's wedding, I volunteered to be their designated driver. Although my sister and brother-in-law wanted to refuse, they couldn't persuade me and had to agree. After asking my mother to look after the children for the night, I drove my brother-in-law and sister to the wedding venue. Several hours later, my sister, completely drunk, came out with my brother-in-law, who was unconscious. I quickly helped him up and took them home. My mother and I each took turns caring for the two still very intoxicated people. After finally getting them to bed and seeing my mother off, I took advantage of their deep sleep and used a sewing needle from the dressing table to prick my brother-in-law. It took three days to obtain his blood for a sample.

After collecting all the samples, I secretly gave them to my friend. Using my friend's connections at the hospital, I finally got the report. The results were both shocking and infuriating, as they confirmed the hypothesis I didn't want to accept.

To avoid alerting the enemy, I arranged to meet my sister in the park privately. After giving her the test results, she readily admitted the truth. I initially wanted to berate her, but she said that since that was the case, there was no need to hide anything. At that moment, a man's hand covered my mouth and nose. Before I passed out, I saw that it was my brother-in-law!

I woke up in a dimly lit room to find myself tied to a chair, while my sister and husband were having sex in bed. My collar had been ripped open, and my brother-in-law was kneading my exposed breasts with heavy, forceful kneading, devoid of sexual stimulation, only leaving a tearing pain. Upon seeing this, my sister... She then signaled to her husband and brother-in-law to stop, and showed me photos of me naked having sex with her brother-in-law, along with the torn-up report. She said that I was just as slut as she was, and neither of us was more innocent. Since that was the case, we might as well enjoy it. After saying that, she untied me. Just as I was thinking that I could escape, my sister pushed me onto the bed. I lay on the bed like a dog, with my husband penetrating me from my buttocks and my brother-in-law penetrating me from my mouth. Under the double assault of their penises, tears streamed from my eyes, and my sister kept cursing me with vulgar words in my ear. Under the double humiliation of body and mind, my rationality had already collapsed. The man ejaculated all over me, while my sister, unsatisfied, licked me. I knew I had long since become a slave to lust.

Years later, my brother-in-law used his wealth to buy a villa and brought both families to live with him. What appeared to be a harmonious extended family was actually a pack of beasts driven by instinct, indiscriminately mating regardless of age or kinship.

[This post was edited by power5512 on 2021-09-22 13:47]

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Sexual battles that started with sperm donation

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