[My Mother and I Demonstrate Sexual Intercourse] (Part 7) Chapter Twenty-One

Chapter Twenty-One: Breaking the Bottom Line

A hundred days later, my injuries were finally almost healed.

The first thing I did upon returning home was take a shower. During my hospital stay, I hadn't had a proper

bath; Yingying and the others had been wiping me down with wet towels every day.

Yingying helped me into the bathroom, and I naturally let her serve me—I was actually healed enough

to run a marathon!

"Mom, come help him take a bath too!" Yingying said.

I was startled! This was home! Dad could come home at any time; how could Mom do

this?

"Okay!" To my surprise, Mom readily agreed!

So the two of them helped me into the bathroom.

Our outdoor bathroom was quite large, at least twenty square meters. During the renovation, a

large . Next to it was the shower area, and further in was a toilet.

The spaciousness made it feel very comfortable.

Mom and Yingying helped me take off my clothes, and then Yingying started taking off her own.

"Mom, you should take your clothes off too! Otherwise, it will be very uncomfortable if your clothes get wet."

"Hmm, you're right!" Mom said, taking off all her clothes one by one, without any

of her usual coyness.

"Mom, you wash his front, and I'll wash his back!" Yingying was as cute as ever.

Mom said "Oh," and poured some shower gel into her palm and started applying it to my body. I

felt very comfortable being served by two women.

When she washed my penis, Mom grabbed it and gently rubbed it, carefully kneading my scrotum,

while Yingying put one hand under my perineum and rubbed it back and forth between my buttocks.

"Does it feel good?" Mom asked.

"Mmm!"

"There's something even more comfortable!" Mom said, squatting down and using her full breasts to clamp my

penis and give me a nipplejob.

"Ah, Mom, it feels so good!" For some reason, Mom changed. She abandoned her usual reserved demeanor and

became passionately fiery.

"Yingying, bring the showerhead over and rinse it off," Mom

said while continuing to give me a blowjob.

Yingying used the showerhead to rinse the suds off my penis, and at the same time, she rinsed

the suds off Mom's breasts.

"Mom," I said, offering the head of my penis to her lips.

Mom smiled gently, opened her mouth and took my penis in. She sucked hard a few times, then

released and began to lick it with her tongue.

Yingying looked at me, then down at Mom, probably as surprised as I was by Mom's change

!

"Mom, it feels so good!" I said, my mouth half-open, looking like I was enjoying it, which made Yingying laugh

.

"Xiaoming, turn around and let Mom lick your asshole," Mom said, looking up.

"Mmm!" I loved the feeling of having my asshole licked! Especially Mom, she licked it so carefully and

gently.

My penis was as hard as an iron rod, the glans swollen and red.

Mom stood up gracefully, looking at me with a seductive gaze, and said, "Xiaoming, are you comfortable?"

"Mom," I looked at her with burning eyes, "I want..." I suddenly realized Yingying was still

beside me; I couldn't very well say I wanted to fuck Mom in front of her!

"Xiaoming, what do you want?" Mom asked, looking into my eyes.

"I..." I couldn't speak for a moment.

"Mom, Brother Li wants to have sex with you!" Yingying said for me.

"You're so naughty! You want to fuck your own mother in front of Yingying?" Mom actually used the

word "fuck," showing she was completely open.

"Yingying, is it okay?" I said.

"Brother Li, what man wouldn't want to fuck a beautiful and sexy woman like Mom? Hurry up and fuck her

, I want to watch you two fuck!"

"Mom!" I hugged Mom tightly, reached down with my right hand, grasped the base of my penis, and thrust it in

with .

"Xiaoming." Mom hugged me tightly, and we, mother and son,

started . We kissed deeply as we had sex, my hands kneading Mom's buttocks, my penis deeply

inside, the head reaching Mom's cervix.

"Xiaoming, Mom loves you so much!" Tears welled up in Mom's eyes.

"Mom, I love you too!" I said affectionately.

"You know what? When you were brought to the hospital covered in injuries that day, it terrified your mother. She thought she

was going to lose you. Xiaoming, don't leave your mother, okay?"

"Mom, I won't leave you. I want to love you for the rest of my life and make you happy for the rest of your life."

I finally understood. It was this accidental injury that made my mother completely let go. She realized she

might lose me, and she was so afraid of losing me that she took advantage of my good health to let

me enjoy the pleasure of having sex with her, while she also enjoyed this incestuous pleasure!

I don't want to describe the whole process of that bath too much, but in short, I fucked both of them. Yingying is easily

satisfied, but my mother is different. My mother, in her prime, has an exceptionally strong sex drive. She

reached three times, and I ejaculated twice.

From then on, my mother no longer hid or played hard to get. Once her passion erupted,

it was unstoppable. Compared to Yingying, she was more like a beautiful young girl experiencing her first love. Sometimes, while I

was at work, my mother would suddenly call and ask me to come to her office. Then, she would close the door and demand that I

have sex with her.

Actually, my mother and I had sex in the prenatal ward, so closing the door was unnecessary; it was just that

my mother was embarrassed.

Sometimes, my mother would use sperm donation training as an excuse to have me as a sperm donor, and then openly

have sex . This kind of training happened about once a month, and even I felt it was a bit too much, because...

Including Zhang Dan, all the nurses in the prenatal ward were already very proficient in every aspect of the sperm donation process.

I even overheard them gossiping privately that all this training was just to watch my mother and I engage

in incestuous sex!

Not long after I was discharged from the hospital, under my mother's arrangement, I also established a mother-son relationship with Teacher Chen. That night,

we drove to the same karaoke bar as before, drank, sang, and made love. You

can imagine how crazy the scene was.

Before, every day at noon, Yingying, my mother, and I would eat in the hospital cafeteria. Now, my mother and

Yingying seemed to have reached a tacit understanding—the evenings were for Yingying, and the noon hours were for my mother. So, my mother

almost always wanted me to go home with her for lunch, and sex during the lunch break was inevitable. After orgasm, my mother

would even want me to put my penis inside her vagina while she slept. When a person falls asleep, their penis inevitably softens, so

every time my mother wakes up, she complains that I don't love her enough. This made me afraid to sleep too soundly;

as soon as my penis slips out, I quickly insert it back in, maintaining this state of intercourse.

My mother is someone who enjoys seeking thrills; sometimes her romanticism is unbearable. For example, sometimes in public

, she would ask me to secretly insert my penis into her vagina, enjoying

the thrill of having an affair under everyone's noses. I don't want to describe this too much here; those who like this kind of thing might want to check out my

other adult novel, "Dad Lets Me Fuck Mom."

I also want to mention that, at the invitation of Teacher Chen (my godmother), my mother and I went to the nursing school

to teach a sex demonstration class for her new class.

This class my godmother taught this time was very different from the previous one; all thirty-odd students

were boys. The content of her lesson was about understanding the female internal reproductive organs.

A medical bed was placed at the front of the classroom, with leg supports on both sides. The godmother had Mom lie flat on

the bed, her legs resting on the supports, thus completely

exposing to all the boys.

Not content with that, the godmother inserted a vaginal speculum into Mom's vagina, stretching it open so

that the inside of Mom's vagina was clearly visible!

"Students, you can take turns coming up to look at Mom's vagina," the godmother announced.

All the boys lined up neatly, and one by one, under the godmother's direction, they came up to look at Mom's vagina.

Some daring boys deliberately touched Mom's vaginal opening with their hands. One boy wearing glasses pretended

not to see clearly, pressing his head very close to Mom's vagina. When the godmother wasn't looking, he

actually stuck out his tongue and licked Mom's clitoris!

Mom turned her face away, looking resigned and helpless. When her clitoris was licked

, she only let out a soft "oh," showing no displeasure.

"Mother Li is a married woman who has given birth to one child," my godmother said, giving me a meaningful

look before continuing, "In your future medical careers, you will encounter women

like Mother Li the most, so you must learn about

the structure ."

At this point, the boy who had been wearing glasses raised his hand.

"Feng, please ask your question."

"Teacher Chen, I just saw a small opening at the top of Li's mother's vagina. Is that

the cervix?"

"That's right, that is Li's mother's cervix. Feng's observation is very meticulous. Do you have any other

questions?"

"Teacher Chen," Feng asked again, "during intercourse, after the man's

semen is ejaculated into the woman's vagina, does it flow into the woman's uterus?"

"Uh, that's an excellent question!" My godmother nodded at Feng to encourage him, then

said, "Now, Li, please ejaculate into Li's mother's vagina so everyone can see

how the man's semen flows into the uterus after being ejaculated into the woman's vagina." As she

spoke, my godmother smiled slightly at me and said, "Li, you have to be quick at masturbating!"

I was stunned—my godmother actually wanted me to ejaculate

into , and then let everyone observe how the semen flowed into the uterus. This was simply absurd!

What could I do? Since I was already standing on the platform, I couldn't just turn around and leave!

So I walked between my mother's legs and quickly started masturbating.

"Can you go a little faster, Li?" my godmother urged.

"I'm already trying my best," I said.

"Class, to help Li ejaculate faster, I'll give him oral sex,"

my godmother said, crawling between my legs and starting to give me oral sex. Under everyone's watchful eyes, I quickly

felt the urge to ejaculate. I quickly gripped the base of my penis, pulled it out of my godmother's mouth, and then

brought the glans to my mother's vaginal opening to ejaculate!

"Class, you can come and watch, pay attention to how Li's semen flows into Li's mother's uterus."

Everyone gathered around, and I squeezed out the last drop of semen. The semen that had just been ejaculated was

flowing down the inner wall of my mother's vagina, all the way to the cervix.

"Teacher Chen, Li's semen is a little low!" someone said.

"That's right, it looks like that," the godmother explained. "Because Li's mother's vagina is stretched open,

the volume inside is particularly large. Even if all of your

semen . This shows how elastic a woman's vagina

is!"

"Impossible!"

"I don't believe it!"

Many male students expressed their doubts.

"You don't believe it? Okay, I can make a bet with you." The godmother smiled slightly.

"If I lose, you can do whatever you want with me."

"I want to have sex with you, teacher, is that okay?" a boy shouted.

"Yes," the godmother nodded, "but if you lose, you must get at least 80 points on the final exam

, otherwise you must stay at school during the holidays to study and cannot go home."

"Getting 80 isn't too hard, okay, it's a bet!" the students said one after another.

What happened next is something I'm too embarrassed to talk about. More than thirty male students were

masturbating , ejaculating into my mother's vagina.

The scene was incredibly embarrassing!

Although it was just ejaculation, without any thrusting, only the glans of their penises were at the entrance of my mother's vagina, not

a single penis actually penetrated her. Strictly speaking, it couldn't be considered sexual intercourse, but

the thought of so much semen entering my mother's vagina was still quite shameful!

The whole ejaculation process lasted a long time, taking up almost half of the class. Some boys

couldn't ejaculate for a long time, so Teacher Chen had to give them more stimulation by performing oral sex. After the first one,

the other boys followed suit, each having their godmother perform oral sex on them before

ejaculating inside her vagina.

By the end of class, all the boys had ejaculated, and

less than a third of the thirty-odd ejaculations were actually inside my mother's vagina. Godmother won!

"Alright, you all better study hard! Your teachers are waiting to see your grades on the final exams!

That's all for today's class." Then, my godmother removed the speculum from my mother's vagina. A large amount of

thick semen flowed from my mother's gradually closing vaginal opening, pooling on the classroom floor.

My mother and I's sex demonstration class ended just like that. Actually, I didn't have sex with my mother in this class;

it would be more accurate to call it an internal ejaculation class.

Leaving the school, my mother suddenly said angrily, "Xiaoming, your godmother is really

outrageous! Letting so many stinky men ejaculate inside me, it's disgusting!"

The story of my mother and I demonstrating sex spread like wildfire, quickly reaching the entire vocational school. My godmother's sex

demonstration class became famous. Many students wrote to the principal's office, requesting that their classes also have sex demonstration

classes. To address this, Principal Long convened a meeting of all the teachers to solicit their opinions. The school, predominantly staffed by

young teachers, passed a resolution with over 80% approval to add a

sex demonstration class. To ensure the quality of this class, the school also established a teacher

training program to provide intensive training for all teachers. Due to the large number of participants,

training had to be conducted in shifts. Therefore, at my godmother's suggestion, the school funded a professional film crew from the city's cable television station to

film a five-episode series on sex demonstration classes.

The main characters in this series were, of course, my mother, my godmother, and Teacher Chen.

Encouraged and persuaded by my godmother, my mother finally agreed to participate in the filming, but she stipulated

one condition: the series could only be shown at the school, could not be copied, and could not be leaked outside the school.

It was truly difficult for my mother to make this decision! Because it meant that countless people would

see our mother-son sex act again and again.

The first episode of this five-episode series introduces male and female genitalia and foreplay—caressing; the second episode

covers condom use and oral sex; the third and fourth episodes are a compilation of sexual positions, introducing sixteen

different positions; and the fifth episode describes male and female orgasms and the entire process of ejaculation.

Having sex with my mother is naturally my favorite, but the filming process wasn't always pleasant! Sometimes

a single shot needed to be repeated multiple times. Throughout the entire production, the demands on me were

the highest , because each shoot lasted at least two or three hours, during which time my penis

had to remain erect at all times. Sometimes, when it softened and couldn't get hard again, my godmother would come and give

me oral sex. Sometimes, my mother couldn't control her emotions and reached orgasm prematurely, so everything had to

start all over again. I remember filming my mother and me having rear-entry sex; the insertion alone was repeated more than ten times,

so the thrusting process after insertion only took a very short time before I ejaculated inside her vagina. The most difficult

part to film was showing the entire ejaculation process. According to the production crew's requirements, I had to quickly

pull , and then my mother had to spread her vagina as wide as possible so the crew could accurately

film the entire process of my semen entering her vagina. This sounds simple, but because the

ejaculation only lasts a few seconds, it's very difficult to get the details right. Either I didn't get a chance to film it,

or I ejaculated outside my mother's vagina. As a man, ejaculating three times in a short period of just over an hour is already

my limit, so I spent several days filming those few seconds of footage,

ejaculating inside and outside my mother's vagina no less than ten times.

After the series was completed, the school gave me a beautifully produced DVD. When my whole family, including

my godmother, sat on the sofa in the living room watching the film, I felt like I was watching a Japanese adult film,

as if I were the protagonist, having incestuous sex with my mother.

Oh, and I should mention my father here. He provided unwavering

support . He was also present when the films were screened. After the screening, my mother, godmother, Yingying, and Aunt Peng were all

blushing, while my father and I were incredibly excited. My penis was fully erect, and my father, unusually, also had an erection

, though not quite hard, but enough for penetration. So, at Yingying's suggestion, my father and I began having sex with these four women, with whom I had the closest

relationships, in our living room . 　　My mother and I were the first to have sex. It was my first time inserting my penis into my mother's vagina , and I was a little nervous. So, my father came over and helped me. He personally held the base of my penis and guided my large, erect penis into his wife's, my mother's, vagina. Then, my father began having sex with his future daughter-in-law, Yingying, right next to me. Because Dad's penis wasn't fully erect , penetration was a bit difficult, so I helped him with my hand. Watching him passionately fuck my future wife, I couldn't help but smile with satisfaction. I could finally repay Dad's kindness in raising me! 　　Dad only symbolically thrust in and out of her tight vagina a few dozen times before pulling out, because he needed to save his energy for the other three women. But I didn't have such concerns. I thrust my big penis , each thrust reaching deep into Mom's uterus, quickly bringing her to orgasm.

Next, I fucked my godmother, and Dad fucked my future mother-in-law—Aunt Peng. This time, my father

and I used doggy style, with both women sticking their asses up for us to fuck. Mom and Yingying watched

quietly . Dad only thrust a few dozen times before pulling out his penis, and I brought my godmother to

orgasm again.

Then I fucked Aunt Peng, and Dad fucked my godmother. Aunt Peng quickly came to orgasm, and Dad slowed down his thrusting

to avoid ejaculating too early.

Finally, I fucked Yingying, and Dad fucked Mom. This time, I didn't control my pace, and

neither . We were both deeply engrossed in fucking our wives. Just as my father was about to ejaculate, he said,

"Xiaoming, you need to hurry up. Let's ejaculate together. You save half of your semen for your mother, and I'll save

half for my daughter-in-law, okay?"

"Okay, Dad."

So I increased the speed of my thrusting. Yingying quickly reached her climax. I continued thrusting for a while and finally reached

the edge of ejaculation. I said, "Dad, I'm going to cum!"

"Great, let's cum together!"

my father said, thrusting rapidly dozens of times and ejaculating quickly!

My father and I squeezed our penises and each ejaculated into the bodies of our two most intimate women. Looking at

the mixture of my father's and my semen flowing from my mother's and Yingying's vaginas, I seemed to understand something,

as if I had gained a deeper understanding of my father's inner world.

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[My Mother and I Demonstrate Sexual Intercourse] (Part 7) Chapter Twenty-One

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