[My Mother and I Demonstrate Sexual Intercourse] (Part 1) Chapter 4

Chapter Four: Another Demonstration of Sexual Intercourse

My sexual encounters with my mother were all conducted in the presence of others. Although we

had had numerous physical contacts, and I even brought her to orgasm, this did not change our

mother-son relationship. At home, my mother was still my mother, and I was still her son.

I know my mother treats me this way because she loves my father. My father is a retired soldier

who was . After retiring, he was assigned to the Ren'ai Hospital in the city as the vice president, and now he is the hospital's president.

My mother is a nurse at this hospital, later promoted to head nurse, and now she is the director of the nursing department.

My father is honest and hardworking. Under his management, Ren'ai Hospital has grown from an inconspicuous small hospital

into one of the most famous hospitals in the city, earning him the support of all the hospital staff.

My mother is much younger than my father, and he has always treated her like a precious treasure. Since my father became

ill, perhaps out of guilt, he has become even more indulgent towards my mother.

I know that if Dad agrees to my relationship with Mom, Mom will definitely accept me. I also know that if

either Mom or I tell Dad, he won't object. But how can I possibly

say ?

I feel helpless and can only look forward to the next sex demonstration class. However, I ran into Ms. Chen several times at school

, but she didn't mention this matter. I wonder if she will arrange another class like this?

One day, I ran into Ms. Chen again. I greeted her and was about to leave when she called me back.

"Li, could you come to my office for a moment?"

"Sure," I said readily. I wondered if she was going to arrange another sex demonstration class.

Ms. Chen has her own office, next to her classroom. After I went in, Ms. Chen poured me

a cup of tea.

"Li, have you noticed any changes in your relationship with your mother lately?"

I knew exactly what she meant by "change," and replied, "Nothing has changed!"

She then asked, "Li likes your mother, right?"

I nodded slightly and said, "Yes."

"Li, do you have a habit of masturbating?" she suddenly asked. After I confirmed,

she asked, "How often do you usually masturbate?"

I said, "About once a day. Sometimes twice a day."

She widened her eyes in surprise and said, "My God! Don't you feel any discomfort from ejaculating so frequently

?"

I said, "Maybe it's just a habit."

She said, "Masturbating so frequently isn't good for your health, but

young people have particularly strong sexual desires, and it's not good to not release them. How about this..." Our school received an

assignment to recommend five male students to donate semen at a hospital. The specific method isn't clear, but the teacher thinks

that since you're wasting your time masturbating anyway, donating to the hospital would be a contribution. Would you like to go?

I said, "I'll listen to you, teacher."

Teacher Chen smiled and said, "I can't make this decision for you. Go home and ask your mother.

If she agrees, come to me and register, okay?"

I nodded at Teacher Chen. She looked at me with a beaming smile; her expression was just like my mother's.

I suddenly had an urge to hug her.

"Teacher Chen," I called out excitedly.

"Is there anything else, Li?"

I said, "Nothing much, it's just...it's just..."

Teacher Chen chuckled and said, "Why are you suddenly so shy? Just

tell me what's wrong, I won't blame you."

I composed myself and said, "I suddenly feel like Teacher Chen looks like my mother, am I being a bit

inappropriate ?"

"Li's mother is a great beauty! How can I compare to your mother?"

"No, Teacher Chen is beautiful too! All the boys at school want to be close to you."

"Li, if I were to play the role of your mother, would you like to have sex with me?"

Without thinking, I said, "I would."

Teacher Chen chuckled and said, "I'm really happy that a young man is interested in me!

Wait here for a moment, I'll be right back in the classroom."

After saying that, Teacher Chen went into the classroom next door through another door in her office. She returned quickly,

smiling at me, and said, "Li, this class is a self-study period. I just asked the students for their

opinions, and they said they wanted to give them a sex demonstration lesson. It seems the students really enjoy this kind of class."

I had originally thought that Teacher Chen would let me have sex with her in her office, but I didn't expect her to ask me

to participate in a sex demonstration lesson. I was a little surprised, but there was nothing I could do.

I was always a little uncomfortable having sex in front of so many people in class, and the pleasure would be greatly reduced.

Teacher Chen took my hand and walked into the classroom next door. All thirty-odd female students in the class looked at us expectantly

.

"Class, it just so happens that Li came to my office today. Since this class is a self-study period, I

've decided to give you a demonstration lesson on the importance of foreplay during intercourse.

Because this lesson was a last-minute decision, I couldn't invite Li's mother, so I'll have to demonstrate myself."

The entire class of girls applauded enthusiastically.

Then, Ms. Chen and I took off our clothes and stood naked on the platform.

Ms. Chen walked up to me, took one of my hands, and placed it on one of her breasts. Facing the class, she

said, "Intercourse begins with foreplay. Li can caress my breasts, that's right, like this."

Then Ms. Chen gestured for me to pull her into my arms. Her skin was smooth and delicate; it felt

wonderful to have such a beautiful woman in my arms. Teacher Chen leaned in and started kissing me, explaining as she did so: "Kissing

is an important prelude to intercourse. It allows you to put your tongue in each other's mouths and suck on each other's tongues."

As she spoke, Teacher Chen put her tongue in my mouth, intertwining it with mine, and I sucked on her tongue.

Meanwhile, my hands caressed her delicate body, and soon I put my tongue in her mouth.

While sucking on my tongue, Ms. Chen gently stroked my penis.

"Wow! Li's penis is so erect!" several classmates exclaimed.

Ms. Chen withdrew her tongue, smiling, and said, "Not bad, that's the effect of caressing. But that's

not enough ; it needs further stimulation to make it even more erect."

With that, Ms. Chen knelt down and took my glans into her mouth, beginning to give me oral sex. She first sucked on my glans

for a while , then began licking my penis with her tongue. She licked very carefully, almost

covering the entire shaft. After licking my penis, she swallowed my scrotum.

Ms. Chen's oral sex skills were even better than my mother's; my penis quickly became

fully erect under her licking.

"Look," Teacher Chen showed my penis to the whole class, "Li's penis is

fully erect now. You can come up and touch it to experience the hardness of a fully erect penis."

All the female students crowded around, one after another touching my penis. The

mischievous Wang once again opened her mouth and took my glans

in .

"Okay," Teacher Chen continued, "You've all touched it now. A fully

erect is very firm, which prepares you for the next step of intercourse. But the woman also needs to

be fully lubricated."

Next, Teacher Chen spread our clothes on the classroom floor. She had me lie on them,

and then her head facing my genitals, saying, "The position I'm using now

is called the 69 position. Both partners can caress each other's genitals. Li, you can

try licking my vulva now."

So I stuck out my tongue and licked Teacher Chen's labia majora, minora, and vaginal opening. Ms. Chen also

opened took my penis in, giving me oral sex at the same time.

All the girls in the class gathered around, some watching how Ms. Chen licked my penis, and

others watching how I licked her vulva.

"Wow! Ms. Chen's private parts are leaking fluid!"

"Li, can you put your tongue into Ms. Chen's vagina?"

I tried to put my tongue in, scraping the inside of Ms. Chen's vagina with the tip of my tongue.

More vaginal fluid flowed out of Ms. Chen's vagina, getting all over my face and mouth.

At this time, Ms. Chen spat out my penis and said to the class, "Ms. Chen's vagina is fully wet now, and Li

's oral sex technique is not bad, but Li, you should also lick Ms. Chen's clitoris. The clitoris is the most sensitive sexual organ

of a woman ."

So I started licking Ms. Chen's clitoris again. This was indeed the most sensitive part of Ms. Chen's body, and

Ms. Chen soon let out a moaning sound.

"Teacher Chen," Wang said, "what does it mean when you make those 'ah ah' sounds?"

Teacher Chen replied, "That's what I call a lewd moan. Women make these

sounds when they experience sexual pleasure. I'm a woman too, and my clitoris feels so good being licked by Li, so I can't help but make these slightly

vulgar lewd moans."

"So, Teacher Chen, are you looking forward to having sex with Li?" another student asked.

"That's right, I'm already a little itchy inside. Now, I'll demonstrate sex." Teacher Chen

got up and sat on my lower body. Just as she was about to use her vaginal opening to tease my penis, Wang spoke again.

"Teacher Chen, wait a minute. What would happen if I didn't have sex with Li right now?"

Teacher Chen pressed her vaginal opening against my glans and said, "Wang is asking a good question. If

we stop having sex now, I'll feel uncomfortable all day. Once a woman's sexual desire is aroused, she'll really want it."

After saying that, Teacher Chen sat down, and her vagina swallowed my entire penis.

Ms. Chen's body heaved up and down, her movements becoming faster and faster. Since she was sitting facing me, I could

clearly see my penis going in and out of her vagina.

"Ah ah," Ms. Chen couldn't help but let out another extremely lewd moan. "Classmates, please look, when

a woman is aroused, a man's penis thrusting in and out of her vagina makes her feel especially good."

Then Ms. Chen had me lie on top of her, her legs wide open, so I could insert my penis and thrust in and out. I

thrust in and out more than a hundred times in one go, making her moan incessantly. The students around us were all dumbfounded, perhaps because

they hadn't expected Ms. Chen to behave so lewdly!

I thrust vigorously for a while longer, and Ms. Chen moaned "Ah ah," her vaginal walls convulsing

, and a gush of vaginal fluid spurted out. I knew she had reached orgasm.

So I slowed down my thrusting. Gradually, Ms. Chen recovered from her orgasm. She smiled and said,

"Classmates, Li just brought me to orgasm, but Li hasn't ejaculated yet. This

isn't good for Li's health, so Li can continue thrusting until ejaculation."

Ms. Chen changed her position, getting on all fours, her snow-white, pink buttocks sticking up high towards me,

and said, "Li can enter from behind."

I spread Ms. Chen's legs apart with my hands, and my penis thrust in.

"Ms. Chen," a classmate asked, "Will you reach a second orgasm?"

Ms. Chen, while responding to my thrusting, replied, "Many women do experience a second orgasm,

but I've never experienced one before."

The female classmate then said to me, "Li, you'd better try your best! Let Ms. Chen reach orgasm again

."

I smiled a little shyly and said, "I'll do my best."

All the female classmates applauded for me, and some even shouted, "Go Li!"

I controlled my urge to ejaculate and started fucking the teacher again in that doggy-style position. As I fucked her

, I leaned down, kneading Ms. Chen's breasts with both hands.

"How does Ms. Chen feel now?" a student asked.

"Oh, Ms. Chen's inside is a little itchy again. Li is really young; it's impressive that he can last so long

!"

Encouraged by Ms. Chen, I thrust even harder. After a few hundred more thrusts, Ms. Chen's

vagina convulsed once more.

"Ahhh!" "Li, you're amazing!" "Teacher's reached orgasm again!" "Ahhh!" "I can't take it anymore!"

"Teacher can't take it anymore!" "What does it mean when Teacher Chen says she can't take it anymore?" Wang asked.

Ms. Chen, her face flushed, said, "Teacher didn't expect the second orgasm to be so intense, Teacher's

body is about to fall apart!" "Ahhh!" "Li, hurry up and cum!" "Cum for Teacher!" "Ahhh!"

Ms. Chen's lewd appearance stimulated my nerves once again. I vigorously rubbed Ms. Chen's nipples,

my penis rapidly thrusting into her cunt, and I screamed as I ejaculated inside her vagina.

"Wow! Teacher Chen, Li ejaculated so much inside you!"

Teacher Chen squatted down, letting the semen flow out of her vagina. Her face flushed, she said, "I was a little

out of control just now, please forgive me, students. But today's orgasm was the most intense I've ever

experienced . Li, thank you for giving me such a wonderful orgasm experience."

At this moment, Wang spoke up: "Teacher Chen, you're having a great time, but we're suffering!"

Teacher Chen finally recovered from her orgasm, and said in a slightly serious voice, "You're all still

virgins, you can't easily lose your virginity, you know?" Teacher Chen hesitated for a moment, then said, "

Which of suffering? How about this, let Li lick you with his tongue, maybe that will make you

feel better."

I looked at Teacher Chen in surprise. Did she really want me to perform oral sex on so many girls?

"Li, today might be tough for you. If you agree, I'll agree to have sex with you

again okay?"

Could I say no? Of course, I readily agreed. So about twenty female students took off

their skirts and underwear, and they sat one by one on the chairs, legs spread, waiting for me to give them oral sex.

I started with the first girl, licking their labia with my tongue, teasing their clitoris with the tip of my tongue, and

sometimes even sticking my tongue into their vaginas. These girls were all only fifteen or sixteen years old, their vulvas were all

pink tender, some with sparse pubic hair on their mons pubis, and some with no pubic hair at all,

completely bald.

I secretly compared their vulvas with my mother's and Teacher Chen's. If it was just

oral sex , these girls' vulvas would taste better, but if they were to be sexual partners, my mother and

Teacher Chen, being mature women, would be more enjoyable.

When I was halfway through licking, the bell rang. Teacher Chen said that those who wanted to go home could go home, and those who wanted to

stay could attend extra classes. In our nursing school, there is a rule that if a student cannot complete the normal credits

, they can get extra credits by attending extra classes, up to a maximum of five credits. Therefore, after Teacher Chen made the announcement, all

the students stayed behind; not one wanted to go home.

I performed oral sex on all the remaining girls in one go, and my tongue felt numb, as if

it . But seeing the girls' satisfied expressions, I felt an indescribable sense of pride.

At this moment, Teacher Chen spoke with a smile: "Are you all satisfied, students? Wasn't Li's oral sex technique

amazing ?"

"Yes, Li's oral sex technique is really amazing," said Wang. "But Li's

intercourse technique might be even better! Don't you think? The fact that she brought Teacher Chen to orgasm twice is enough proof."

Teacher Chen's face darkened. "What do you mean by that, Wang?"

Wang stuck out his tongue and said, "Teacher Chen, I didn't mean to offend you, but I

'd like to give Li a demonstration of intercourse. Is that alright?"

Teacher Chen said, "No, you're both still virgins. How can you just take your virginity like that?"

"Teacher Chen, I'm not a virgin anymore, so isn't that fine?"

Teacher Chen said, "Even if you're not a virgin anymore, you still need your parents' consent."

I thought to myself: I doubt any parents would agree to this. Teacher Chen is clearly

making things difficult for Wang! To be honest, while Wang wasn't the most beautiful among all the girls, she was still top-notch

. Her charming and mischievous personality was just my type; it would be

great to have sex with such a beautiful girl.

Seeing that Teacher Chen's tone was getting increasingly stern, Wang raised her voice, not to be outdone, and said, "My

parents divorced a long time ago, and neither of them cares about me. I'm in charge of my own affairs. Teacher Chen

, is it because you like Li that you're holding back with me?"

I looked at Teacher Chen with some worry, thinking she was about to explode. Teacher Chen did indeed seem a little

angry ; her face flushed red and then turned pale, as if she wanted to devour Wang.

But a teacher is a teacher; she quickly calmed down and said calmly, "Since

Wang insists on having sex with Li, I don't object. However, you need to let me check if your

hymen is really broken."

Wang said, "Check it then, do you think I'd lie to you?"

So Wang sat on a chair with her legs spread apart, and Teacher Chen squatted in front of her, spreading her labia majora and minora

to examine her carefully.

"Yes, Wang's hymen is indeed broken. Okay, if Li is willing, you

can do a demonstration of intercourse, but you must use a condom."

Of course, I wouldn't object. Although I had already ejaculated inside

Teacher .

At Teacher Chen's suggestion, I lay down on the floor, and Teacher Chen personally put a condom on me,

then told Wang it was okay. Wang straddled me confidently and quickly inserted my penis into

her vagina. Wang's vagina was much tighter than Teacher Chen's and my mother's. Fortunately,

when I gave her oral sex earlier, her vagina was already fully lubricated, and it was obvious that this wasn't her first time having sex

, so after my penis was fully inserted, although it felt a bit tight, she didn't feel any discomfort.

While Wang and I were having sex, all the other classmates gathered around and watched. Several classmates even asked Wang...

What's it like to have sex with a boy? Wang, while moving her body up and down, chatted

and laughed with her classmates.

After about ten minutes, Wang started to feel the strain.

"Li," Teacher Chen said from the side, "Now get on top of Wang, she seems

close to orgasm."

I flipped her over and pinned her beneath me, thrusting my penis vigorously. Soon, Wang started

moaning , her whole body trembling. Her orgasm seemed unusually intense; she kept crying out "Ahhh!" until it

turned into sobs.

I had never encountered anything like this before, so I stopped, looking at Teacher Chen somewhat bewildered.

Teacher Chen said it was okay, you can keep fucking her, she's enjoying it too much.

I fucked her for a few more minutes, then Wang said no, I couldn't take it anymore, and Teacher Chen finally let me off her

.

"Li, do you still want to ejaculate?" Teacher Chen asked me.

I said, "So what if I want to ejaculate? Wang is already like this."

Teacher Chen smiled and said to me, "Of course Wang can't, but if Li wants to ejaculate,

Teacher Chen will let you do it again."

I was a little surprised and said, "Teacher Chen, you've already reached orgasm twice, can we do it again?"

Teacher Chen chuckled and said, "That's the difference between a young woman and a girl! Wang is still young

, her body hasn't fully developed, so she can't handle too much stimulation, but Teacher Chen is different.

After resting just now, my body has recovered. You can try inserting it if you don't believe me."

Teacher Chen wasn't wearing any clothes, so she lay down on the ground, spreading her legs and waiting for me to fuck her. I

bent down stopped me. "Li, take off the condom. Teacher Chen doesn't

like having sex with a condom on!"

I then realized that I was too hasty, so I took off the condom, and thrust my penis in. Mature women

are different; you don't have to be gentle with them, you can do whatever you want with them. And since Ms. Chen

is about the same age as my mother, having sex with her felt like having sex with my own mother—it was incredibly exciting.

This time, Ms. Chen and I reached orgasm at roughly the same time. After the orgasm, we realized it was

already quite late, and all the female students in the classroom had left. I lay on Ms. Chen's naked body, gently caressing

her breasts, thighs, and buttocks, my penis still inside her vagina, unwilling to come out.

"Li, you can get down now."

"Teacher Chen, if I want to have sex with you again, will you agree?"

"Didn't I promise to give you another chance to have sex with me? But from now on, unless there's a

sex demonstration class, I won't have sex with my students casually."

I said, a little disappointed, "Teacher Chen is just like my mother. Doesn't the teacher enjoy having sex with me

?"

Teacher Chen gently kissed my lips and said, "Silly child, Teacher Chen is just

like your mother, you make her feel very good, but one is your teacher, and the other is your mother, what else

can do?"

Teacher Chen asked me to help her up. When she got up, my semen was still flowing from her vagina, but she didn't care, she

didn't even wipe it away, and put on her underwear and skirt, then helped me put on my clothes.

Back home, I asked my mother if I could participate in the school's sperm donation activity. My mother said that sperm donation is also a

public welfare activity, and since it was organized by the school, I could participate. So the next day, I went to Teacher Chen's

office again and told her what my mother had said. Teacher Chen had me fill out a form and told me to take it home so my mom

could sign it.

I took the form and whispered, "Teacher Chen, could we do it again?"

Teacher Chen smiled and said, "I promised to do it once, and I always will. But you brought

me , and I haven't fully recovered yet!

How about I let you have your way again in a few days when I'm fully recovered?"

Since Teacher Chen said that, I naturally couldn't object, so I took the form and went home.

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