[My Mother and I Demonstrate Sexual Intercourse] (Part 1) Chapter 3

Chapter 3 The Second Sexual Intercourse Demonstration Lesson

Back home, I tried to break the bond between my mother and me. But I quickly found it

wouldn't work . Every time I tried to get close to my mother, she would stop me with a firm gaze. I felt

very frustrated and could only look forward to the next sexual intercourse demonstration lesson.

A week later, Ms. Chen invited my mother and me again. We went to her office, and this

time she didn't ask me to go to another room to change clothes, but instead led us directly to the classroom next door.

The moment we entered, the girls in the classroom clapped in unison, seemingly

also looking forward to this sexual intercourse demonstration lesson.

Ms. Chen walked to the podium and announced to the class: "Today's lesson will cover two topics:

one is how to properly use a condom, which is very important for you; the other is

the common sexual positions. To make it easier for you to observe, I would like you to move your desks around."

So all the girls moved their desks to the perimeter of the classroom. Ms. Chen asked my mother and me

to go to the open space in the center of the classroom.

"Ms. Li, Li, you can take off your clothes now," said Ms. Chen.

We quickly took off all our clothes. Although this was the second time I had shown my naked body in front of so many female

students , I was still a little uncomfortable. My mother seemed more at ease than me.

"Now we'll learn how to properly use a condom," Ms. Chen said, taking a small plastic bag from her pocket

. She gently tore open the bag and showed the contents to the students, saying,

"Look, this is a condom. Does anyone know how to put on a condom?"

At this moment, a female student stood up and said, "Can I try?"

It was the somewhat mischievous Wang who spoke.

Ms. Chen said, "Sure."

Wang took the condom from Ms. Chen and walked over to me. She put the opening of the condom on my

glans and then gently pulled it down. Since my penis was already erect, she quickly put the condom on for me.

"Teacher, did I do it right?"

Teacher Chen nodded and said, "You've done very well. However,

the man's penis should be fully lubricated before putting on the condom, otherwise he will lose his libido due to pain. Li's mother,

could you please demonstrate for the students?"

The mother nodded and said, "Okay."

So the mother walked up to me. Unlike Wang, who had bent over earlier, she squatted down in front of me.

She gently removed the condom for me, then opened her mouth and sucked on my penis a few times before spitting it out and

putting the condom back on for me.

"Did you all see that?" Teacher Chen said. "Mother Li's demonstration was very good. Of course,

there are many ways to lubricate a penis, and oral sex is just one of them."

At this moment, a student asked, "Teacher Chen, are there any other ways to put on a condom?"

Teacher Chen replied, "Good question. Actually, you can also put on a condom with your mouth. Does Mother Li

know how?"

Mother Li shook her head and said, "No."

"Okay, now I will demonstrate how to put on a condom with my mouth."

Teacher Chen squatted down in front of me like Mother Li did. She took off the condom, stuck out her tongue

and licked my penis for a while, then put it in her mouth and sucked on it. "Class, now Li's penis is fully lubricated

. Next, you should pay attention to how I put on a condom with my mouth."

After saying that, Teacher Chen put the condom in her mouth, leaving the opening outside her mouth,

with the opening against my glans. She slowly swallowed my penis, and when she spat out my penis, the condom

was on.

A burst of enthusiastic applause immediately rang out in the classroom.

Next was the condom-wearing sex. Ms. Chen gestured for me to lie on the classroom floor. Because the floor was cold, she

suggested using the clothes my mother and I had taken off as a mat.

After I lay down, Ms. Chen nodded to my mother. Without hesitation, she straddled

me slowly squatted down, grasped the base of my penis with one hand, and gently stroked it a few times. With her other hand, she

parted her labia and gently sat down, placing her vaginal opening against the head of my penis.

All the female students in the class gathered around, watching intently, some whispering amongst themselves.

"It really went in!"

"Won't wearing a condom affect the pleasure?"

Ms. Chen clearly heard their discussion. She smiled and said, "Wearing a condom will certainly affect the pleasure,

but it's still very necessary to ensure safety. If you don't want to have children,

you must insist that your partner wear a condom when you have sex."

"But you can also take birth control pills!" said Wang, one of the students.

"Every medicine has its side effects, you understand?" Teacher Chen said in a somewhat serious tone. "Taking too much medicine is very bad for

your health , especially for teenage girls like you, you should avoid taking medicine."

While Teacher Chen was educating the students, my mother, sitting on my penis, looked very embarrassed, unsure whether to get off

or continue sitting.

"Mrs. Li can get off now," the teacher said. "Next is a demonstration of sexual positions."

After my mother got off me, Teacher Chen removed the condom from my penis and said, "Classmates,

Mrs. Li has an IUD, so we won't need to wear a condom for the following sexual demonstration. Therefore, you can see the intimate contact between

their genitals. You must observe carefully later, and you can ask any questions."

At this moment, student Wang suddenly spoke up: "Teacher Chen, why did you have to choose Mrs. Li as

Li 's sexual partner? Isn't incest the biggest taboo of incest?"

I saw my mother's face turn bright red.

"Wang, you need to understand that what we're doing now is a teaching demonstration, not actual sexual intercourse. Since Li

is a minor, the teacher needs his parents' consent to have him demonstrate. If we don't ask Li's mother to be

her son's sexual partner, then who should we ask?"

"Teacher Chen would be fine too!"

"It's not impossible for a teacher to be Li's sexual partner, but firstly, we need Li's mother's

consent , and secondly, the teacher also needs to act as a guide, which is a bit inconvenient. Originally, the teacher wanted to hire a

prostitute, but was afraid Li's mother wouldn't agree." Teacher Chen nodded to the mother and continued,

"Actually, what's wrong with a son's body being born from his mother's vagina, and then the son teaching his

son ?"

"Then what is incest between mother and son?" someone asked.

"Incest between mother and son is abnormal sexual behavior."

"Then what is abnormal sexual behavior?" the same student asked.

Teacher Chen pondered for a moment and said, "For example, a mother and son committing adultery behind the father's back, or a mother and son having sex and

giving birth to a child with an incorrect generational order, that's incest between mother and son."

"Does Teacher Chen mean that as long as you don't have children and don't do it behind your family's back, it's not incest

?" This time it was the same student, Wang.

"That should be the case," said Teacher Chen.

Wang then asked, "Then is it the same for fathers and daughters?"

Teacher Chen replied seriously, "Sexual activity between fathers and daughters is not as simple as that between mothers and sons

. Because a virgin's hymen is intact before she loses her virginity, if a girl loses her virginity too early, and her

future husband cares about her virginity, it could lead to marital unhappiness."

"So, mother-son sex only requires the father's consent, while father-daughter sex requires not only the mother's

consent but also the husband's? Isn't that unfair?"

"There are many unfair things in this world. Okay, this lesson isn't for discussing

ethics . Now, please let Li's mother continue to demonstrate sexual intercourse for us."

Next, my mother and I demonstrated several sexual positions in front of the thirty-odd female students in the class, even

demonstrating anal sex. To be honest, neither my mother nor I liked anal sex. When I forcefully inserted my penis into my mother's

anus, she trembled with pain, which broke my heart.

As class was about to end, Teacher Chen suddenly announced, "Class, how about we have Li and his

mother demonstrate a full sexual encounter?"

A chorus of cheers erupted in the classroom.

I glanced at my mother; she was already in position, just waiting for me to have my way with her. I inserted my penis into her from

behind . This time, it wasn't a mere demonstration, but a real, full-on penetration.

To increase the sexual stimulation for my mother, I thrust in and out while caressing her

breasts . My mother quickly became aroused; she couldn't help but moan loudly, her vagina

becoming increasingly wet, with vaginal fluid constantly seeping from the point of contact between our genitals, wetting the classroom

floor.

"Teacher Chen, why is Li's mother so wet?" a student asked.

Teacher Chen explained, "This is all vaginal fluid. When men and women experience pleasure during intercourse, vaginal fluid flows

out . Its purpose is to prevent damage to the vagina from vigorous thrusting. Look, Li's mother is on

the verge of orgasm."

Suddenly, I felt my mother's vagina convulse violently, and a gush of vaginal fluid sprayed onto my glans

. Immediately afterward, my mother's body trembled uncontrollably.

"Ahhh~" my mother let out a lewd sound.

"Classmates, look, these are typical symptoms of an orgasm! Li's mother is probably experiencing an orgasm right now

; this is the happiest moment for a woman." Teacher Chen explained, then said to me, "Li, your

performance was really great. It would have been even better if you could ejaculate inside your mother."

Before Teacher Chen finished speaking, I had already begun to ejaculate. I held my mother's legs tightly with both hands, and

stream after stream of hot semen shot deep into my mother's vagina. I thrust a few more times and then lay motionless on my mother's back.

"Wow, Li ejaculated!"

"Look how much sweat he's sweating!"

The female classmates around me commented. Teacher Chen instructed me to withdraw my penis so that the students could see my mother's vulva, which had been

penetrated by semen.

"Look, this milky white fluid is semen. When Li's father

ejaculated inside Li's mother's vagina, it fertilized an egg released from her body, resulting in their child."

"Wouldn't Li have a child too if he ejaculated inside his mother's vagina?" someone asked.

"No," Teacher Chen said, "because Li's mother has an IUD."

Then, my mother squatted down, letting the semen flow out of her vagina, before getting up and dressing. This

long-awaited sex demonstration class was over. I had finally fucked my own mother's cunt and

ejaculated my incestuous semen inside her.

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