[Kobayashi's Sexual Affairs] [Author: Left Palm Right Fist] [The End]

Chapter 1 This is called love.
Actually, children nowadays begin to understand 'sex' at a much, much younger age than imagined. This is all thanks to the openness of sexual attitudes, the development of the internet, and the sharing of information by a vast number of netizens around the world. Whether right or wrong, 'sex' has become colorful in this world and is almost unrestricted and accessible to everyone.
Xiao Lin is nineteen years old and a senior in high school. This is the age when he first truly came into contact with 'sexual concepts'. Xiao Lin's parents and A Cai's parents are good friends and often visit each other. Because A Cai's house is close to the school, Xiao Lin usually goes to A Cai's house to play after school and waits for his father or mother to pick him up after work.
It was a Monday afternoon. School was in session for half a day. On the way home from school, A Cai and Xiao Lin were chatting.
"I found a really fun game! Let's play it together when my mom's not around!" "Why do we have to wait until Aunt Xiuxiu's not around? Can't we play right away?" "No! My dad won't let me touch his computer. If my mom finds out, she'll definitely tell him!" When the two returned to A-Cai's house, A-Cai's mother was just taking three-year-old Xiaomi (A-Cai's younger sister) to Huang's house to play cards. A-Cai's mother and her group of wealthy card-playing friends reportedly took turns playing to avoid one family dominating the game. That day, it was Huang's house's turn. A-Cai's mother was waiting for A-Cai to come home so she could leave!
"Ah Cai, you're back! Mommy's going to Aunt Huang's house for a bit, I'll be back this afternoon to cook dinner. You and Xiao Lin, be good and play at home, don't run around, okay?" After saying this, Cai's mom pinched and rubbed Xiao Lin's cheeks, adding, "Xiao Lin! You have to watch over Ah Cai for Auntie! Auntie will treat you to chocolate when I get back!" Cai's mom loved pinching and squeezing Xiao Lin's cheeks, doing it every time they met. Luckily, Cai's mom's hands were soft and her grip wasn't too strong, so Xiao Lin didn't dislike the contact. If he weren't still unaware of sexuality, he probably would have enjoyed admiring Cai's mom's fair and deep valley up close.
Hearing that Xiao Lin could have chocolate, Ah Cai naturally wouldn't hesitate, "Mommy! I want chocolate too!" "Ah Cai, be good, Mommy will buy you some too!" After saying this, Cai's mom waved goodbye to the two of them and left.
Ah Cai gestured for Xiao Lin to follow him, and Xiao Lin curiously followed Ah Cai into his father's study, watching Ah Cai turn on his father's computer. Xiao Lin watched Ah Cai skillfully open several windows, admiring and envying his movements. Being able to use a computer really felt cool.
Ah Cai simply clicked on something on the screen, and a video popped up. The video showed a naked woman; upon closer inspection, it was Ah Cai's mother. Xiao Lin couldn't understand what was so fun about watching someone naked. His family always bathed together, and he saw his mother and sister naked every day, so it didn't interest him at all. He complained,
"What's so fun about watching Auntie naked? Let's go play video games!" "Wait, the fun is coming up." Xiao Lin had to turn his attention back to the screen. The camera followed Ah Cai's mother as she squatted down, revealing a man lying naked on the bed, his limp penis dangling from his lower abdomen. Judging from the scene, it seemed the man on the bed was filming.
Xiaolin thought this must be Cai's father. Cai's father was lying on the bed, and Cai's mother was kneeling on his lap. Cai's father, with his dark skin and strong build, had a lot of body hair, which made Cai's mother's fair buttocks stand out even more. Cai's mother held his soft penis in one hand and slowly rubbed it up and down. At this moment, Cai interrupted,
"I've tried it! Playing with your penis like my mom does feels really good!" Whether he was afraid Xiaolin wouldn't believe him or he really liked this game, Cai had already taken off his pants and was playing with his penis like Cai's mother, and he kept encouraging Xiaolin to do it too. So Xiaolin also took off his pants, grabbed his penis, and started imitating Cai's mother's movements on the screen.
With Cai's mother's movements, Cai's father's originally soft penis slowly grew bigger and harder! Because Xiaolin's own penis sometimes got hard, this didn't scare him. He just didn't expect it to grow so much bigger.
When Cai's father's penis was soft, it was only the size of an adult's thumb, completely disproportionate to his physique. Hidden in the thick pubic hair, it was not noticeable. Unexpectedly, after Cai's mother kneaded it, it gradually grew larger, eventually swelling to the point that when Cai's mother grasped it, the tip of her thumb and the other four fingers could hardly touch. Moreover, its length increased to more than four times its original size. When Cai's mother gripped it with both hands like a baseball bat, half of the glans was sometimes exposed! There were also obvious blue veins on the surface, making it as thick and robust as Cai's father's appearance! Because of the change in the size of the penis, Cai's mother's movements changed from kneading to pulling up and down. Xiao Lin saw that when Cai's mother pulled down, the foreskin was pulled back, revealing the purplish-red glans. The urethral opening on it was like a mouth, opening and closing with the movement of her hands, and clear liquid would occasionally flow out from it, making Cai's mother's palms and Cai's father's penis wet and shiny.
At this moment, Xiaolin noticed that his penis had also become hard. Looking down, he saw that it was even larger than usual when erect, with about a third of the glans exposed from the foreskin. Looking at Cai's father's glans on the screen, Xiaolin turned to look at Cai beside him and noticed that Cai's glans would also be exposed with the movement of his hand. Seeing this, Xiaolin also wanted his glans to be exposed, so he used more force when pulling down. Although it hurt a little, he persisted, gradually pulling lower and lower. With continuous up-and-down movements, Xiaolin's glans finally completely came out of the foreskin, and his penis became longer, allowing for a wider range of hand movements. Cai said that playing like this would be comfortable, and only now was Xiaolin slowly beginning to understand that feeling. Cai
also noticed that Xiaolin was starting to find enjoyment and said, "It feels good, doesn't it? I told you!" Cai's mother's movements on the screen continued, when suddenly Cai's father's voice came from the computer.
"Wife, please suck my penis with your mouth!"
Cai Ma immediately adjusted her position and opened her mouth to take the glans in, starting to suck and swallow. For some reason, Xiao Lin suddenly felt hot all over, and really wanted Cai Ma to suck his penis too! Xiao Lin glanced at Cai and saw him sitting on the chair, bending over desperately, trying to get his head closer to his penis. He couldn't help but ask,
"Cai, what are you trying to do?"
"It feels so good with my hand, of course I want to try if it feels even better with my mouth!" "Can you even get it?" "I've been practicing for a few days, and I can already get a little bit!" After saying that, he bent down and tried again, and sure enough, he could lick his glans with his tongue, but he could only kiss the glans at most, and then take half of the glans in his mouth as his limit.
"Ah Cai, Auntie ate the whole thing, you only got half of the head!" "What head? This is called the glans! That's what adults call it!" Ah Cai licked the glans and said, "Glans, is it a turtle's head? It does look quite like one!" "I can't help it, I'm already bent all the way! This is all I can do." "Or you can ask Auntie to play with you and let her eat it for you!"
"Ask my mom to eat it for me? She'll know I'm secretly playing on my dad's computer!" "If my dad finds out I'm playing on his computer, I'm doomed!" Ah Cai was so scared that he spat out the glans. "Do you know what game my parents are playing?" Xiao Lin shook his head, and Ah Cai explained to Xiao Lin as if he knew the most.
"This is what adults call sex, you can have a baby after you're done!" "Eating a penis will make you have a baby? Will you have one if you eat it yourself?" Xiaolin was a little surprised. "Eating a penis is just warm-up exercise, you have to finish the whole game to have a baby!" "And it has to be a boy and a girl playing together to have a baby!" Acai explained with a bit of pride, "But even if you can only eat a little, it feels really good!" Acai started eating himself again, watching him lick and suck the glans while moving his penis with his hand, it was clear that he was already very skilled at this.
"How about it? Xiaolin, do you want to try it too?"
Ah Cai looked at Xiao Lin with a challenging gaze. Actually, Ah Cai was encouraging Xiao Lin to play this game so he could get him to give him oral sex. He really wanted to experience the feeling of receiving oral sex like his father did. He had even considered asking his mother, since she loved him and might agree. However, he was afraid of being caught messing with his father's computer—something his father strictly forbade! So he set his sights on Xiao Lin. Although it seemed strange for boys to play this kind of game, Xiao Lin was a handsome young man, and Ah Cai felt that having him give him oral sex or vice versa was acceptable. That's why he shared the game with Xiao Lin and suggested he try giving him oral sex first, and then offer to do it when Xiao Lin couldn't manage it, before asking him to do it for him! That way, he could experience the feeling of receiving oral sex!
Watching Cai's mother sucking Cai's father's penis on the screen, Xiaolin felt an urge to be sucked himself. So, Xiaolin sat on the edge of the bed, his right hand gripping the base of his penis to control its direction, his left hand hooking his thigh, his eyes fixed on the swollen glans, and bent down. With almost no difficulty, Xiaolin kissed his own glans. He continued downwards, and his glans easily pushed open his mouth and was swallowed. Although it was scraped by his teeth, Xiaolin still felt an indescribable pleasure rush from his penis to his brain, making him involuntarily swallow it down until it reached his throat.
Although Xiaolin was only nineteen years old and his penis wasn't big, whether it was due to natural talent or the stimulation of sight and touch, his erect penis was about the thickness of an adult's thumb and the length of a middle finger. Especially the glans, which was like an umbrella, pointed at the top and wide at the bottom, making it a perfect tool for inducing vomiting. When swallowing and spitting, he would accidentally feel a strong urge to vomit. Xiaolin quickly pulled out his penis and leaned over the trash can next to his desk to vomit. This situation shocked Cai to the point of being dumbfounded.
"Xiao Lin, you're amazing! You actually swallowed the whole thing!" What was even more disheartening was that he no longer had an excuse to ask Xiao Lin to eat his penis.
After spitting it out, Xiao Lin looked at the screen and saw that Cai Ma had actually swallowed such a large penis whole. Remembering the pleasure he had just experienced, he unconsciously drifted into a daze, thinking that it would be great if Cai Ma could eat his penis. Of course, he wouldn't say it aloud.
Seeing Xiao Lin's dazed expression, A Cai couldn't help but ask, "Was it comfortable to have your whole penis in your mouth?" Xiao Lin grinned but didn't answer. A Cai also grinned foolishly at Xiao Lin. At this moment, Cai Ma spat out Cai Ba's penis, lay down on the bed, and spread her legs.
"Husband! I want it! Come in quickly!"
The camera was focused on Cai Ma's lower body. A red slit could be vaguely seen through the thick pubic hair. The slit was slightly open, and clear vaginal fluid wetted the surrounding pubic hair and made the vaginal flesh wet and shiny. Cai Ba grasped his penis and scraped the glans against the wet slit, coating it with vaginal fluid. After adjusting the angle, the glans seemed to be sucked in, and with a "whoosh," it sank into the vagina. Cai Ba released his grip on his penis and thrust his hips forward, inserting the entire penis! While Xiao Lin was stunned, the large penis moved in and out of the vagina. Xiao Lin looked at Cai in confusion, and Cai nodded.
"This is sex!"
"Putting your penis into a girl's hole and thrusting it in and out until it feels good, then you spray all that white stuff inside and she'll give birth!" Cai Ma shouted, her face flushed. "Ah! Ah! Fuck! Fuck so well! Good husband! Fuck me harder!" "My wife's hole is so wet and tight today! So good!" The camera swayed violently, sometimes focusing on Cai Ma's bright red face, sometimes on her swaying breasts, and sometimes back to the scene of a penis thrusting into her vagina. Cai Ba's left hand followed the camera, sometimes stroking Cai Ma's face, sometimes putting his fingers in her mouth for her to suck, sometimes kneading her full breasts, and sometimes rubbing her clitoris with his thumb. The positions changed several times: sometimes she was lying on her side with Cai Ba holding one of her legs while he fucked her, sometimes she was lying on her stomach with him thrusting from behind, and sometimes Cai Ba was lying down with Cai Ma sitting on him and moving around. Cai Ma seemed to really like this position, shouting loudly and moving the most intensely.
Xiaolin and Acai watched the video while simultaneously stroking their penises. Later, they got excited and wanted to suck on the penises, but still wanted to see the screen. So they lay on the bed with their heads facing the screen upside down, flipping their legs upwards so their penises could slide into their mouths from above. Acai discovered that this position made it easier to suck on his penis; using gravity, he could actually swallow half of it. Xiaolin, who could already swallow the whole thing, didn't feel nauseous like before after mastering the technique, so it wasn't a big problem. However, Xiaolin discovered that he could kneel in front of his mouth in this position, and when he moved his hips like Acai's father did on the screen, his penis would thrust in and out of his mouth like it was penetrating Acai's mother's vagina. It felt really good! The downside was that it blocked the screen, but for that pleasurable feeling, it was worth it.
Acai saw this and copied Xiaolin, but he only thrust halfway in, not as deeply as Xiaolin, but judging from his expression, he was also enjoying it very much. On the screen, after a few violent thrusts, Cai's father pulled his penis out of her vagina. Cai's mother sat up and opened her mouth. Cai's father then rapidly pumped his penis in and out of her mouth, and soon streams of white semen spurted from his glans into her wide-open mouth. Some of the semen that missed its mark landed on the sides of her mouth. After ejaculating, Cai's father used the head of his penis to scrape the misfired semen into Cai's mother's mouth. Cai's mother immediately took the head of his penis in her mouth and sucked hard, cleaning up the remaining semen. Then the video ended.
Meanwhile, Xiaolin and Cai continued to thrust their hips rapidly, pumping their mouths. Xiaolin felt as if something was about to explode, a feeling that urged him to thrust faster and harder. Xiaolin suddenly realized that this must be like Cai's father, his penis about to ejaculate. So Xiaolin thrust his mouth even faster and harder, even swallowing the head of his penis several times. Then Xiaolin felt himself about to ejaculate!
Xiao Lin thrust his hips forward, swallowing the glans and sucking hard. An explosive surge of pleasure erupted, as if he'd been climaxing for a long time. The feeling was incredibly pleasurable, as if all his efforts had been for this final moment.
Xiao Lin pulled out his penis and collapsed onto the bed. He could feel his penis had swelled slightly, but strangely, nothing had ejaculated in his mouth. Lying there to rest, he turned to look at A-Cai, who was already resting nearby. As if knowing Xiao Lin's question, A-Cai said, "Maybe it'll only ejaculate that white stuff when it's bigger?" They exchanged opinions and agreed that using their hands, sucking, and thrusting the penis into a vagina were definitely the most pleasurable methods!
After that, whenever Xiao Lin had the chance while at A-Cai's house, he would go to his father's study with A-Cai to watch videos. After more than a month of effort, A-Cai was also able to swallow a whole penis, just like Xiao Lin. The pleasure was truly irresistible, so whenever he had time, Xiao Lin would play with his penis.
Thus, the concept of "sexuality" began to enter Xiaolin's mind for the first time.
In Chapter Two
, after watching Cai Ma's videos for the first time, Xiaolin's perspective broadened considerably. His viewpoint while bathing with his family changed; his gaze often drifted towards their private parts. He even noticed that his father would sometimes insert his penis into his mother's vagina when he and his sister weren't looking, slowly thrusting in and out of the bathtub. Soon after, Xiaolin's mother would urge the two children to hurry up and get out.
Although this had happened occasionally before, after Xiaolin first encountered the concept of "sexuality," he realized that his parents were kicking them out because they wanted to have sex. Because his parents would avoid him during sex, he vaguely felt that "sex" was a secret, and he no longer dared to act on his initial thoughts of asking his family about it or trying sex.
Time passed quickly, and before long, Xiaolin was in third grade. Third graders were reassigned to different classes, and unfortunately, Xiaolin and Acai weren't in the same class. However, this didn't affect their friendship; they still played together often, and Acai would always share new videos with Xiaolin immediately.
One night, Xiaolin was fast asleep in his room when he dreamt that he and Acai were playing a game where he would suck his penis while watching a video. Suddenly, Acai grabbed his penis and started sucking it, waking him up.
Surprisingly, he could still clearly feel the sensation of being sucked on in his dream, even hearing the "sizzling" sound. Looking up, although the light was dim, he could still recognize his older sister, Xiaotong, giving him oral sex.
Xiaotong was wearing an extra-long pink t-shirt pajama. As she performed oral sex on Xiaolin, her breasts swayed with her head movements through the drooping neckline. Xiaolin thought his sister looked incredibly beautiful, which excited him greatly.
He couldn't understand why he felt anything special when he saw his sister's naked body every day while she showered, but the t-shirt covering her body made a completely different impression.
Xiaotong noticed that Xiaolin was awake and quickly pulled out his penis, gesturing for him to be quiet.
"Xiaolin, don't make a sound! I'll teach you a really comfortable game!" "Sis, I know you're giving me oral sex. Cai's mom and dad do it like that too." "Have you seen Cai's parents doing the same thing?" "Cai showed me a video. He said that kind of game is called love." "So, Xiaolin, do you want to have sex with me?" "Of course! I've always wanted to know what it feels like to put my penis inside a girl!" Xiaotong climbed on top of Xiaolin, pressed her forehead against his, and shook her head.
"Turns out, my Xiaolin is a little pervert!"
After Xiaotong climbed up, her breasts, exposed from her collar, were right in front of Xiaolin, giving him an urge to do something to them. So Xiaolin reached into his sister's collar and grasped one of her breasts, a strange sensation spreading through his palm.
His sister glanced at Xiaolin, smiled slightly, and reached out to grasp Xiaolin's erect penis. Xiaolin also began to knead his sister's breasts. Soon after, Xiaolin felt his sister's nipples harden and enlarge. He hadn't expected that a girl's nipples could enlarge like a boy's penis; it must be because of the pleasure, right?
Xiaotong then turned around, presenting her buttocks to Xiaolin's head, and began to suck on his glans. Only then did Xiaolin realize that his sister wasn't wearing underwear, only that nightgown. Looking at his sister's vulva so close to his eyes!
Remembering the 69 position his father had mentioned, Xiaolin reached his hands under his sister's clothes and kneaded her breasts, then stuck out his tongue to lick the fleshy opening in front of him.
Sensing Xiaolin's movements, the older sister ate even more enthusiastically. Then, neither of them spoke, focusing solely on their own actions. Strangely, Xiaolin felt as if he and his sister could understand each other's needs through their movements. For example, he could sense from the angle, depth, and speed at which his sister licked his penis that she wanted him to insert his tongue into her vagina or lick and suck the clitoris. Similarly, his sister could sense from the way and force with which he licked and sucked that he wanted her to go deeper, faster, or suck his glans harder.
About ten minutes later, Xiaolin ejaculated, but as usual, there was no discharge. Xiaolin asked his sister if he had ejaculated, and she nodded, saying he had come twice.
"And you? Why didn't you ejaculate?"
"Don't worry, our Xiaolin will grow up quickly!"
Suddenly, his sister sat on Xiaolin's lap, grasping his penis and rubbing it against his wet vagina, saying, "Ready to make love with your sister?" The glans slid back and forth on his sister's vagina, making Xiaolin extremely excited.
"Okay, sister, I've been wanting it so much!"
His sister moved her body, the small opening pressing against his glans couldn't withstand the pressure, and with a "whoosh," his glans was inserted. His sister shuddered but didn't stop, her hips moving back and forth until Xiaolin's penis was completely inside her. Only then did she stop.
Xiaolin felt his penis completely enveloped in a warm, moist environment. Besides the indescribable comfort, he felt overwhelming emotion! His sister had inserted her penis into his body! This was real sex! It was indeed incredibly comfortable, causing Xiaolin to groan.
"Oh! Sister..."
His sister held Xiaolin's shoulders and began thrusting her vagina in and out of his penis. Xiaolin couldn't help but move in sync with his sister's movements, his penis pumping in and out of her hot, tight vagina.
It felt so good. They kept moving, the wooden bed creaking under the strain. As time passed, Xiaolin grew more and more excited. He rolled over, pinning his sister down, and thrust into her from above.
As he thrust, he looked down to observe his penis entering her vagina. It seemed to have grown a little bigger; Xiaolin thought it was his sister helping him grow. He couldn't help but speed up his thrusts. His penis felt increasingly good. He hugged his sister tightly, burying his face between her breasts. He felt a surge of heat in his lower abdomen, his penis throbbing, as if something was about to burst forth.
His sister sensed Xiaolin's change. She held him tightly, lifting her legs to hook around his waist. A suction force emanated from her vagina, trembling and igniting the heat in Xiaolin's lower abdomen!
Xiao Lin forcefully thrust his penis into his sister's vagina, feeling spurts of hot liquid erupting from his glans into her vagina. Xiao Lin was surprised, delighted, and incredibly comfortable; the pleasure was incomparable to anything he'd experienced before. Had he really ejaculated? His
sister also felt Xiao Lin's ejaculation. The hot spray surged deep within her vagina, bringing Xiao Tong's pleasure to its peak. Reaching her climax, she trembled and hugged Xiao Lin even tighter. They held each other tightly, excitedly awaiting the end of their ejaculation.
A moment later, his sister opened her eyes. Xiao Lin, still holding his sister, sat up, both staring at their joined bodies. Xiao Lin slowly withdrew his still-erect penis. The instant the glans left the opening, a thick liquid gushed out.
Xiao Lin had ejaculated! Xiao Lin had really ejaculated! Xiaolin's ejaculation filled his sister's vagina, and it was now flowing back out. Xiaolin found it strange, though, because the liquid wasn't white; it was transparent and colorless. His sister scooped up some of the clear liquid and put it in her mouth. It tasted a little salty, but not like semen.
"You can ejaculate now! Although it's not semen, Xiaolin has grown a bit more!" Xiaotong knelt down and used her mouth to clean the sticky liquid from Xiaolin's penis.
"Sister will do her best to help you. Soon the ejaculation will turn into white semen! Then Xiaolin will be a real adult!" Xiaolin hugged his sister, moved. "Thank you, sister! It's because of you that I can grow up faster! And it makes me feel so good! I love you the most, sister!" His sister grasped Xiaolin's penis, finding it showed no signs of softening, and pulled it between her legs.
"Sister wants more. Can we do it again?"
Xiaolin didn't answer, but simply followed his sister's movements, inserting his penis into her vagina and beginning to thrust.
At three in the morning, Xiaotong returned to her room, satisfied.
Chapter 3 Xiaolin's Growth
Since he could ejaculate a clear fluid, Xiaolin's growth rate accelerated even further! It was almost visible to the naked eye. Three months after having sex with his sister, his mother kept staring at Xiaolin's penis with squinted eyes while taking a bath.
"Dad, don't you think Xiaolin is developing particularly fast lately?" Xiaolin's parents called each other "Dad" and "Mom" like their child. In fact, many families do this, so that the children can call each other "Dad" and "Mom" quickly when they are young, so they naturally change their terms of address shortly after conception.
Xiaolin's father soaked in the bathtub and looked at Xiaolin who was showering.
"Yes! Our Xiaolin has really grown taller lately! He's almost as tall as Xiaotong!" Xiaolin, who was about to enter fourth grade, had indeed grown very fast. He was already 155 cm tall. Perhaps it was because he often played with Ah Cai, eating himself, and often had sex with his sister. Xiaolin was not only flexible, but even had faint muscle lines appearing.
His penis had grown considerably, reaching twelve centimeters in length when erect. Its thickness was somewhat unusual; the base was thinner than the tip, and the glans was pointed at the front and broad at the back. The thickest part of the penis was the tip of the glans, with a diameter of five centimeters. Then came the first two-thirds of the shaft, with a diameter of four centimeters, and the rear section, about three centimeters in diameter—already approaching adult size.
"Who's talking about height? You can see that all the time! I'm talking about his little penis!" Xiaolin's mother, supporting Xiaolin's shoulders, turned him to face his father.
Xiaolin's dad climbed out of the bathtub, stood in front of Xiaolin, and compared his hairless penis to his.
"Really! This isn't a small penis anymore, it's almost as big as mine! I wonder what it'll be like when it's hard?" Xiaolin's mom was naturally bald, while Xiaolin's dad, though not very pubic hair, still had some. However, to be considerate of his wife's feelings, he plucked all his pubic hair, creating an artificial baldness, which Xiaolin's mom adored.
Xiaolin's mom hugged Xiaolin's full breasts from behind, pressing them against his back, and used her right hand to grasp and knead Xiaolin's penis.
"Shall I knead it until it's hard and then compare it with his?"
"How long would it take to knead it? I think you should just give him oral sex, that would be faster! It's about time to give Xiaolin some sex education!" Unexpectedly, Xiaolin got hard immediately due to the pressure from the breasts on his back and the stimulation of his mother playing with his penis for the first time.
"Dad, did you see that? Even my charming son can't resist Mom's charm!
It's already rock hard after just a few touches! I don't even need to use my mouth!"
Xiaolin looked at his penis with regret, thinking how useless he was. He got hard after just a few touches from his mother, and now his chance to get her to give him oral sex was gone!
No one knows a son better than his mother. Sensing Xiaolin's disappointment, his mother moved in front of him and rubbed his penis.
"It's hard, but I don't know if this is the maximum size. I'll give it some more oral sex and see if it gets even bigger!" With that, she knelt down, licked Xiaolin's penis twice with her tongue, and then opened her mouth to take the glans in.
Xiaolin trembled with excitement and let out a satisfied moan. Seeing this, Xiaolin's father chuckled, sat on the edge of the bathtub, rubbed his own penis, and beckoned to Xiaolin's sister beside him.
"Since we're comparing sizes, mine has to get hard first, sister! Come over and give Dad a blowjob, don't lose to Mom!" Xiaotong obediently squatted down in front of her father, rubbed it a few times, and started eating. Xiaolin's father reacted quickly, and it swelled up in his daughter's mouth in no time. Xiaolin looked at his sister and father, thinking that his sister must have played sex games with his father before, no wonder she was so skilled and knew so much when she played with him.
After eating for a while, Xiaolin's mother found that Xiaolin's penis had really grown bigger. She tried her best to find out Xiaolin's limit. After about five minutes, she was sure that Xiaolin's penis should be that big, so she spat out his penis and started pumping with her hand.
"Dad, I'm ready here, how about you? Are you ready to compare?" "I'm hard enough too, sister is ready, let Dad compare with your brother!" So the mother and daughter stood aside and let Xiaolin and his father stand up and bring their penises close together for the mother to judge.
"Dad's penis is a little bigger, but Xiaolin's shape is a bit special!" "Oh! Let me see!" Xiaolin's dad sat back on the edge of the bathtub to observe Xiaolin's penis and also noticed its peculiarity.
"It's true, look at his glans, it's like an umbrella. If it's inserted into a woman, it will definitely hook inside and won't accidentally fall out. The shaft is the same. Although it can't hook inside like the glans, it's thinner at the back and thicker at the front. When it's pulled out, it will definitely give the woman a special feeling!" Hearing her father's explanation, Xiaotong blushed and nodded in agreement. Her mother, seeing Xiaotong's appearance, couldn't help but become suspicious.
"Sister, you seem to agree with what Dad said? You haven't secretly inserted your brother's penis yet, have you?" Xiaotong blushed even more and nodded in admission. Xiaolin also became shy. He didn't expect his sister to admit it so readily!
Xiaolin's father sat back on the edge of the bathtub and pulled his sister over to sit on his left leg, putting his arm around her shoulder.
"So our sister has already secretly played with her brother's penis! Does it feel just like Dad described? Actually, Dad was just inferring from the appearance, but he was right!" "Dad, why don't you say something to him? If your sister secretly has sex with her brother like this, what if she gets pregnant by accident? That would be a real problem!" Mom squeezed to sit down next to Dad, linking her arm with his, and complained worriedly.
"No way! Didn't Mom teach me that a girl can only get pregnant if the boy ejaculates inside her? My brother can't ejaculate yet! He won't get pregnant!" "Xiaolin, is what your sister said true? You're so developed, and you really can't ejaculate?" "Really! When I played by myself before, I couldn't ejaculate anything. But after having sex with my sister, I could ejaculate something clear. If it weren't for my sister's help, I wouldn't have grown so tall and big!" "Something clear? That should be pre-ejaculate fluid. It's usually a fluid secreted during foreplay, used to lubricate when the woman is penetrated. You're saying that what you ejaculated during your orgasm was clear fluid?" Xiaolin's father, a gynecologist, started analyzing as soon as he got the information.
"Orgasm? What's an orgasm?"
Xiaolin asked, and his father lightly tapped Xiaotong's head.
"You've been teaching your brother about sex, how come you haven't even taught him this most basic thing?" Xiaolin's mother pulled Xiaolin onto her right leg, half-hugging him as she explained.
"An orgasm doesn't discriminate between men and women. It's when the sexual organs are continuously stimulated, a comfortable feeling lasts until the very end, turning into an explosive, intense pleasure—that's an orgasm!" Xiaolin was extremely interested in this kind of knowledge, and immediately asked again if he didn't understand something.
"Mom, does the sexual organ refer to the penis?"
"Yes! For men, it refers to the penis, the formal name is 'penis,' but some people also call it 'second brother' or 'meat stick.' For women, the sexual organ is the vulva, commonly known as 'little hole' or 'cunt.' When the male and female sexual organs combine, it's called making love, sexual intercourse, or 'fuck,' and there are also more vulgar terms like 'fucking hole' or 'inserting cunt.'" "Inserting cunt? That's a fun way to say it!" Xiaolin's father saw that the mother and son were getting further and further off-topic and quickly brought the topic back on track.
"Mom, let's not get sidetracked. We need to figure out what Xiaolin ejaculated first, because sometimes sperm can mix with pre-ejaculate fluid, and if we're not careful, pregnancy can still happen!" "That's true. Our Xiaolin is developing so fast, his testicles might already be producing sperm!" "Mom, help your little brother ejaculate that clear liquid first. I'll go get a test tube to collect some for testing. Before we get the results, sister, remember not to let your little brother ejaculate inside you, okay?" "Okay!" After saying that, Xiaolin's dad left the bathroom to get the test tube, while Xiaolin's mom held Xiaolin's penis and pumped it, smiling as she asked Xiaolin,
"Little brother, how do you want Mom to help you reach orgasm?"
"Mom, I... can I have sex with you?"
Xiaolin asked shyly.
"You want to reach orgasm through sex? Sure, but you have to pull out right when you feel like you're about to climax so Daddy can collect your semen!" Xiaolin's mom had Xiaolin lie on the ground, then straddled him. Hearing Xiaolin's dad describe the advantages of his penis, she was already eager to try it.
After Xiaotong confirmed it, Xiaolin's mom was already dripping with lust and couldn't stop. Grabbing his penis, she slid the glans against the entrance of his vagina a couple of times, aligned it, and gently sat down. With a soft "whoosh," the entire length penetrated, hitting the very core of his vagina. Only when she pulled out did Xiaolin's mom truly experience the benefits of Xiaolin's penis.
Kobayashi's glans was pointed at the front and broad at the back, and very elastic, unlike the shaft which was as hard. When inserted, the pressure from the vagina would cause the glans to close like an umbrella, making the end as thick as the shaft, allowing for a smooth, deep insertion. When withdrawing, the glans would expand like an umbrella opening, scraping the vaginal walls almost without any blind spots. In addition, the shaft was thicker at the front and thinner at the back, so when withdrawing, it felt like a hot, living thing was drilling out of the vagina. This double and continuous pleasure made Kobayashi's mother tremble and moan with each withdrawal.
"Ah... Oh... Oh..."
With each thrust and withdrawal of Kobayashi's mother, he couldn't help but moan similarly with each withdrawal. The faster the withdrawal, the shorter the moan; the slower the withdrawal, the longer the moan.
After a dozen or so attempts, Xiaolin's mother's moans grew longer and longer. She discovered that the slower she withdrew, the stronger the stimulation to her vagina. Unconsciously, her movements shifted to a pattern of rapid, forceful thrusting followed by slow, deliberate withdrawal. Enjoying the pleasure her son was giving her, Xiaolin's mother looked at Xiaotong, who was masturbating with her fingers.
"Sister, oh... ah...! Do you... often... have sex with your brother?" "Yes, almost every day... I let my brother penetrate me. When he penetrates me... I orgasm so quickly. Every time... I orgasm... three or four times," Xiaotong said somewhat shyly.
"And every time... I can't help but let my brother... ejaculate inside." "Why? Hmm... oh...! Mom... Mom... is... coming..." Xiaolin's mother bent down and hugged Xiaolin tightly, experiencing her first orgasm. It was the first time she had an orgasm so fast and intense.
"If you let your brother ejaculate inside you once, you'll know!"
At that moment, Xiaolin's father returned to the bathroom with a test tube and saw his wife trembling on top of their son. He knew his wife had orgasmed.
"Mom, I told you to help your brother climax, not to climax yourself! Besides, I was only gone for a little while, and you're already climaxing? Isn't that a bit too fast? How am I supposed to help him ejaculate like this? Should I switch with your sister?" Hearing that her husband wanted to switch, Xiaolin's mother immediately started swaying her hips again, continuing to thrust and withdraw her son's penis. He wasn't satisfied yet! Remembering the pleasure her son had just given her, she gave Xiaolin a deep kiss, then took his hands and placed them on her full breasts, indicating that Xiaolin should caress them. Xiaolin cooperated by kneading them, making Xiaolin's mother moan repeatedly. Xiaolin's father was a little jealous.
"Mom, you can enjoy yourself, but don't forget to help your brother ejaculate! Xiaolin, when you're about to ejaculate, remember to tell your mom, don't let her stay on top of you, okay?" "Okay! Okay!" Xiaolin quickly responded to his father's instructions. This was the first time Xiaolin's father had seen his wife so slutty and wanton during sex. Remembering his earlier analysis of Xiaolin's penis, he thought to himself that having a good penis was indeed enviable. Suddenly, his penis felt warm. Looking down, he saw that his daughter, Xiaotong, had come to give him oral sex, worried he was uncomfortable. Touched, Xiaolin's father gently stroked Xiaotong's hair.
"My daughter is so thoughtful! Come on! Stick your ass up so Daddy can fuck you properly!" Xiaolin's father had Xiaotong hold onto the left side of the washbasin while he penetrated her from behind. Because the washbasin was next to where Xiaolin and his mother were having sex, he could monitor their progress while simultaneously fucking his daughter's vagina.
Xiaotong, half-lying on the washbasin with her buttocks raised high, licked her lips and bit her lower lip, waiting for her father's intrusion. Xiaolin's father first placed the test tubes on the shelf, then, supporting Xiaotong's buttocks with his left hand, used his thumb to spread her buttocks, revealing her alluring vulva. His right hand grasped his penis, pushing it to the entrance. Feeling that his daughter was already incredibly wet, he thrust forward forcefully, "Gurgle!" His large penis plunged all the way in.
"Ah... Daddy's... so... big!"
As if deliberately seducing her father, Xiaotong turned back, gazing at him with a dazed look, moving her hips in rhythm with his thrusts, panting and moaning, using lewd language to tease him. This excited Xiaolin's father greatly. He gripped his daughter's plump buttocks with both hands, increasing the intensity of his thrusts in sync with her movements. At this moment, Xiaolin's mother unexpectedly reached another climax!
"Ah...ah ah! Good...son! God...ah! Mom...Mom is...coming again!...How can it be so...ah...ah ah so fast...!" This time, after her orgasm, Xiaolin's mother didn't stop to rest, but continued to maintain the thrusting motion. The vaginal fluid gushed out, turning into a thick, white paste that clung to their juncture due to the constant thrusting.
"Mom, you're too fast! It's been less than five minutes since your last orgasm, right? If this continues, your little brother won't even ejaculate before you're exhausted, right?" Xiaolin's father couldn't help but say a few words to his wife, and Xiaolin's mother retorted without backing down.
"You stinky dad, don't underestimate us women. Soon I'll make our Xiaolin ejaculate for you to see!" To save face, Xiaolin's mother no longer used the method of rapid thrusting and slow withdrawal for pleasure, but instead used rapid thrusting and withdrawal for the man's stimulation, combined with the occasional grinding when fully inserted and the double trick of forcefully contracting her vagina. She believed that she would soon be able to complete the task of obtaining semen.
Xiaotong explained to Xiaolin's father with a groan.
"Making love with...brother...um...it's really easy...to...orgasm...but...ah...Mom, if...you want to...oh...the thing...brother ejaculated...ah...using...the way we make love...it's probably...difficult..." "Oh, why?" "Because...um...ah...Dad...Daddy...I...I...am...coming..." Xiaotong, exhausted from her orgasm, was too weak to answer. Xiaolin's father quickly hugged his daughter to prevent her from collapsing. Her vagina twitched in waves, giving Xiaolin's father a very pleasurable feeling. Holding his daughter, he focused his attention on his penis, enjoying the pleasure his daughter's orgasm brought him.
Under his mother's intensified attack, Xiaolin felt particularly pleasurable and gradually began to enter the orgasm stage. During the thrusting, his mother felt her vagina swell, Xiaolin's penis grew even larger, and her vagina went numb; she almost had another orgasm.
Mom gritted her teeth and continued her thrusting motion. Unexpectedly, this time she sat down hard, penetrating much deeper than before. The glans, already pressed against the cervix, bent forward elastically with Mom's movement, and the pointed tip of the glans suddenly forced its way through the cervix, entering the uterus and slamming against the uterine wall.
Mom was dizzy from the impact, letting out a soft "uh," and unconsciously continued her thrusting and pulling motions. As usual, the glans opened wide as it was pulled out, hooking inside the cervix. After a few more thrusts, Mom had to stop. She had only pulled her penis out a little, but she felt as if her heart had almost been pulled out and thrust back in with each thrust. It was a kind of pain, but even more so, an unprecedented pleasure, a feeling that was both frightening and craving more.
Xiaolin's mother dared not thrust in and out so violently anymore. Lost in her passion, she inserted her penis to its hilt, then swayed her hips back and forth, letting Xiaolin's glans scrape against her uterus. Xiaolin's mother felt an unprecedented orgasm approaching, and Xiaolin reminded his mother at that moment,
"Mom, I feel like I'm about to ejaculate!"
Hearing Xiaolin's words, she quickly pulled out her penis, still inside her daughter's body, picked up a test tube, removed the stopper, and prepared to collect some of Xiaolin's ejaculate. However, she saw that Xiaolin's mother was still thrusting her beautiful hips, showing no intention of getting up.
"Mom, it's okay if you want to enjoy yourself, but get up first so I can collect some of my ejaculate! Then you can continue!" But Xiaolin's mother still didn't get up, and couldn't even speak to explain. Firstly, she couldn't pull out his penis, and forcibly pulling it out might hurt them both; secondly, Xiaolin's mother couldn't bear to pull it out, because she knew she was about to experience an orgasm she had never experienced before.
To avoid being ridiculed by her husband for being lewd, she could only suppress her moans and continuously twist her hips to change the angle and position of Xiaolin's penis rubbing inside her uterus, thus hastening her orgasm.
Xiaotong, exhausted from her orgasm, grabbed her father's hand and wearily explained to her mother.
"Little brother... before the climax... his penis... will get bigger... it... will get stuck inside the uterus... it can only be pulled out after... he ejaculates..." "No way, why didn't you say so sooner?" "It's because Daddy... is so amazing, I... was just about to say it... when Daddy... brought me to orgasm, I... didn't have the strength to say it..." "Then we'll just have to wait until he ejaculates, and then dig it out of your mom's hole." With Xiaolin's mom's efforts, Xiaolin finally reached orgasm, clear liquid gushing out continuously, streams of hot liquid hitting the walls of his mother's uterus, accumulating inside, quickly submerging Xiaolin's invading glans, and Xiaolin's mom also experienced an orgasm completely different from usual, she convulsed and fell onto Xiaolin, moaning "Ugh..." hot urine gushing out, splashing all over their tightly joined lower bodies, luckily this was in the bathroom, otherwise cleaning up afterwards would have been troublesome.
After resting for a while, Xiaotong was less out of breath. Seeing that her mother had also urinated, she said with a grin, "Hehe, I peed the first time my little brother penetrated my uterus. Luckily, it was in the bathroom that time too!" "Was it really that good?" Xiaolin's father asked curiously.
"I don't know how to describe it, because it's completely different from a normal orgasm. I peed the first few times, but later I got used to it and could hold it in. But every time I felt very dizzy, but it was a very comfortable dizziness, a bit like dreaming of flying." At this moment, Xiaolin's mother finally came to her senses. Xiaolin's father quickly went over to help her up and made her sit on the edge of the bathtub. He picked up a test tube, brought it to the opening, and then stuck his finger in to probe. Some clear liquid came out, and Xiaolin's father quickly collected it into the test tube.
"I'm sorry, Dad! That was probably just my vaginal fluid. I can feel that what my brother ejaculated is still inside my uterus. Now my cervix is tense and contracting, so the semen is locked inside and can't flow out. This time, the semen collection failed." Xiaolin's father kissed Xiaolin's mother affectionately and gently carried her into the bathtub.
"It's okay, we underestimated our little brother! We'll help him ejaculate with oral sex after he catches his breath. Mom, you take a bath and rest for a bit. Your sister can help him later." "How can that be! I didn't do it right just now. Of course, I should do it next time!" Xiaotong, being an experienced mother, knew that her mother actually wanted to experience Xiaolin's special thing a few more times, so she hooked her arm around her father's to make an excuse for her mother.
"Dad, my brother usually takes a long time to climax, and he just came once already. It'll probably take even longer for him to come again! I'm afraid I can't handle it alone. Let Mom and I help him!" Xiaotong said, hugging and shaking her father's arm. Her breasts, slightly smaller than her mother's, made Xiaolin's father's heart pound. Xiaotong took the opportunity to snatch the test tube from her father's hand and pushed him out of the bathroom.
"Dad, you go out and rest. Leave this to Mom and me. We promise to complete the mission!" Xiaolin's father looked back at the closed bathroom door, shook his head with a wry smile, and went to the study to prepare the equipment, waiting to examine Xiaolin's ejaculation.
Chapter Four: Collecting Semen in the Bathroom
"Mom, listen to Dad and rest for a bit. Let me do it with my brother first. After I orgasm, I'll ask you to take over with him. Normally, after he ejaculates once, I need to have five orgasms before he ejaculates again. So, after we each have two orgasms, we can switch to oral sex. That should make it easier to collect his semen. Actually, if Dad hadn't temporarily forbidden me from letting Xiaolin ejaculate inside me, even if he ejaculated inside my uterus, I could easily expel it." "How is that possible? I've tried using my fingers to dig into the cervix, but it's too tight, I can't insert them at all!" "That's because it's Mom's first time letting Xiaolin insert them." "The stimulation from entering the uterus is too strong, causing the cervix to contract too tightly, so it can't relax in a short time. I've let my brother penetrate my uterus many times, which not only made my cervix more elastic, but later I could also freely control the opening and closing of the cervix!" "Don't lie to Mom! If you could control the opening and closing of the cervix at will, would childbirth be so hard?
When Mom gave birth to you, I was in labor for more than two hours in the waiting room, and my cervix was only dilated to one finger's width. I was in labor for more than six hours, and it was only dilated to five fingers' width before I went into the delivery room to give birth to you!" "I don't know, but later I found that I could control it, and the more my brother penetrated my uterus, the easier it was to control." At this time, Xiaolin, who was sitting on the floor, spoke up for her sister to prove it.
"Really, Mom! Now when I have sex with my sister, it feels like there is a mouth inside her that eats my glans with each thrust, it feels so good!" Xiaolin's words immediately aroused her mother's interest, and she lay in the bathtub and beckoned Xiaotong to come over to her.
"Sister, come here and let Mom see!"
Xiaotong quickly moved closer to the bathtub. Mom reached in and inserted her middle finger into Xiaotong's vagina, touching the cervix deep inside. She gestured for her sister to try. Xiaotong bit her lower lip and strained her lower abdomen. Sure enough, Mom felt the cervix suddenly open, opening and closing as if sucking on her fingertip.
"My God! It really moves! It's amazing! It's like there's a mouth inside the vagina! No wonder your dad has been so keen on having sex with you lately, now I understand!" Xiaolin's mom decided that she should have sex with Xiaolin more often, letting him penetrate her uterus more often. It would not only be pleasurable but also allow her to develop a special skill—a win-win situation. Unfortunately, she needed to obtain a sample first and couldn't let her son penetrate her uterus immediately, but that would be fine once she got the sample.
Thinking of this, she quickly instructed Xiaotong to get started. Xiaotong immediately raised her buttocks, letting Xiaolin penetrate her from behind. This was her favorite position; it allowed for deep penetration and a tight vagina, which could accelerate their orgasms.
This time, Xiaotong braced herself on the edge of the bathtub, her buttocks raised as she received Xiaolin's thrusts. Her mother watched, which only fueled Xiaotong's excitement.
Xiaolin's mother watched her son penetrating her daughter's vagina from behind. Although she couldn't see the way his penis was violating her because of her daughter's presence, she still felt incredibly excited. Seeing her daughter's half-protruding tongue and half-closed eyes, Xiaolin's mother kissed Xiaotong's lips, their tongues entwining.
Soon after, Xiaotong reached orgasm!
"Ah...ah ah...ah, Mom! I...I'm coming...ah...hurry! Mom...it's...it's your turn...!" "No! Good daughter, you continue! Let your brother penetrate you! Mom wants to see your brother fuck your uterus, to see you being shot into your uterus by your brother! Mom will wait until you're done, and after I get what your brother shot out, I'll have sex with him. Sister, cheer up, make your brother come out sooner, let him shoot inside! Don't listen to your father's prohibition, Mom just wants to see you being shot into your uterus by your brother, Mom wants to see you open your cervix and let your brother's stuff flow out from inside, Mom will catch it all for you, not a drop will be wasted!" The excited Xiaolin's mother couldn't control herself anymore. She climbed out of the bathtub, walked behind Xiaolin and hugged her passionately. Watching her son's penis going in and out of her daughter's vagina, her vagina trembled, and she actually had a small orgasm!
Xiao Tong, who had just climaxed, couldn't withstand Xiao Lin's intense thrusting. He collapsed weakly onto the edge of the bathtub, his knees buckling. Xiao Lin, who had been kneading Xiao Tong's breasts, quickly wrapped his arms around Xiao Tong's waist to support his lower body, while his penis continued to thrust relentlessly.
Hearing his mother's lewd words, Xiao Lin thrust with extra force, each stroke deeper and harder than the last. Xiao Tong's first climax hadn't even subsided when he experienced another, like a tsunami following another, causing him to moan repeatedly. However, his strength was entirely used to withstand the impact of the orgasms, leaving him only to groan silently.
Seeing this, Xiao Lin's mother intensified her attack, rubbing her breasts against Xiao Lin's back, her hands constantly caressing his chest, and kissing his lips, sucking on his tongue with deep affection. Xiao Lin hadn't expected his mother to be so lewd; his lust surged, and his penis swelled, penetrating Xiao Tong's uterus. Xiao Tong cried out, "Ah!" and climaxed again!
Xiaolin continued thrusting, and Xiaotong cried. During her intense orgasms, the constant scraping of her uterus caused her to break down, tears streaming down her face. The orgasms seemed endless, and Xiaotong began to tremble uncontrollably. Xiaolin continued to fuck her relentlessly, his powerful thrusts causing the glans, which had been hooked inside her uterus, to repeatedly slide in and out of the cervix. Each insertion penetrated deep into the uterus, reaching the deep walls; each withdrawal scraped her way out of the uterus all the way to the vaginal opening.
This was the first time Xiaotong had experienced such intense cervical stimulation, and the stimulation caused her to experience repeated orgasms, her whole body trembling with pleasure, tears, snot, and saliva flowing freely. Her eyes were vacant, yet she wore a smile.
Xiaolin's mother realized something was wrong; her daughter might collapse if this continued. She had to end the sexual activity. So, she extended her right middle finger, inserted it into her vagina, which was covered in vaginal fluid, and then thrust the entire finger into Xiaolin's anus.
Xiao Lin screamed, his penis plunging deep into Xiao Tong's uterus, violently ejaculating his orgasmic fluid, quickly filling and even stretching her uterus. This was the largest ejaculation Xiao Lin had ever performed. The fullness of her uterus slowly brought Xiao Tong back to consciousness, and her trembling gradually subsided. Although tears were still streaming down her face, Xiao Lin's mother knew that her sister was alright. Recovering from her peak orgasm, Xiao Tong managed to turn her head and ask Xiao Lin for a kiss.
"...Kiss...me...brother, I...feel...I really...love...love...you so much...I...miss you...hold me tight..." Xiaolin kissed Xiaotong, embracing his sister who was slumped over the edge of the bathtub. He carefully moved his body, afraid that his penis would slip out of her body. He sat on the edge of the bathtub, letting his sister sit on his lap with her back against his body, and they kissed tightly. His penis was still erect inside Xiaotong, locking Xiaolin's orgasmic essence tightly inside her uterus.
Xiaotong continued to cry, feeling that Xiaolin's love was tightly locked inside her uterus. The two kissed deeper and held each other tighter. Xiaolin's mother watched the two kissing and thought the scene was beautiful. Unconsciously, tears also flowed down her face. After an
unknown amount of time, Xiaolin, afraid that his penis would go soft and slip out of his sister's body, would occasionally move his hips, using the uterine wall to stimulate the glans to maintain the hardness of his penis.
"Ugh...no! Don't...oh...stop moving, I...have...enough already...!" "But if I don't move, I'm afraid I'll go soft, and then I won't be able to keep it inside you!" Hearing their conversation, Xiaolin's mother immediately snapped back to reality and remembered her mission.
"I almost got carried away by this loving atmosphere and forgot to collect Xiaolin's climax fluid!" Xiaotong blushed upon being reminded and lightly punched Xiaolin with her elbow.
"Ugh! It's all your fault! You made me so dizzy!"
Xiaolin innocently rubbed her aching abdomen. Xiaolin's mother took out a test tube and began to instruct, "Little brother, pull your penis out, and I'll tighten my cervix to prevent anything from leaking out!" Xiaolin's mother handed the test tube to Xiaotong.
"Insert the test tube into the vagina, making sure the opening covers the cervix, then open the cervix and let the contents flow into the test tube." Xiaotong followed her mother's instructions. Thick, clear liquid could be seen flowing into the test tube protruding from the vagina, quickly filling it. Seeing this, Xiaolin's mother took a mouthwash cup and placed it at Xiaotong's vaginal opening to catch the flowing liquid. It was almost full too, and Xiaolin's mother quickly lowered her head and sucked the remaining liquid from Xiaotong's vagina.
"Mom, it tastes good, right? I really like the taste of what my brother ejaculates. Can I have the rest of the cup?" Xiaolin's mother licked the liquid from her lips, capped the test tube, and then, still wanting more, licked the remaining liquid from the outside of the tube. Seeing her sister drinking Xiaolin's semen from the mouthwash cup so quickly—drinking three-quarters of it in one go—Xiaolin's mother quickly snatched it away.
"Drinking so fast! Mom hasn't had enough yet!"
she said, then drank the rest of the semen.
"Ugh! My little brother ejaculated a lot this time, which is unusual. I was just about to drink it all, but Mom took it all away!" Xiaolin's mom picked up the test tube and handed it to Xiaotong, then pulled Xiaolin up to help him and herself wash up.
"Take this to your dad for testing, and tell him I'm sleeping with my brother tonight, so he shouldn't wait for me." "Okay, I'll sleep with Dad tonight!" Xiaotong said, making a face before leaving the bathroom with the test tube.
Due to limited equipment at home, Xiaolin's dad could only do a basic test first; more detailed tests would have to be done at the hospital. After examining Xiaotong under an electron microscope, Xiaolin's dad allowed him to have sex. Since there was no trace of sperm in Xiaolin's ejaculation, it was perfectly safe to ejaculate inside, and there was no need to worry about pregnancy.
Xiaotong was very happy. He loved the feeling of Xiaolin ejaculating inside his uterus; in fact, he felt uncomfortable if he didn't ejaculate once a day. He also preferred drinking the liquid, though he didn't know why, Xiaolin's dad said.
"It's probably prostatic fluid, but I've never seen this much before. Also, Xiaolin is developing really fast lately, so he might be producing sperm soon. This could be semen without sperm. Dad will take him to the hospital for further examination tomorrow." "Dad, don't be so serious! My little brother isn't sick, and he's developing so well, it doesn't matter whether he gets checked or not!" Xiaotong said, hugging her father and acting cute.
"Actually, I've been developing really well lately! Although I can't compare to Mom yet, my figure is the most recognized in the whole school!" "That's true, our little beauty is only twenty years old this year, and when she walks outside, she looks like a high school girl! Even many high school girls don't have breasts as big as yours! She should be a C cup by now! Look how well your parents have raised you! Your Aunt Xiuxiu (Ah Cai's mom) keeps asking me what supplements I've given you! She doesn't believe me when I say no!" "Look how smug you are! Mom said she's going to sleep with your brother tonight, how about it? Do you want me to sleep with you tonight?" Xiao Lin's dad packed up his gear and refrigerated Xiao Lin's fluids.
"You want to sleep with me? No way!"
Xiao Tong turned around and went back to her room disappointed.
"Oh, then I'll go back to my room to sleep first!"
"Let Daddy sleep with my little princess!"
Xiao Lin's dad suddenly gave Xiao Tong a princess carry from behind and carried him all the way to Xiao Tong's room.
This post's character count: 35443;
Total character count: 74325
[To be continued]

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[Kobayashi's Sexual Affairs] [Author: Left Palm Right Fist] [The End]

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