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The IS Academy's Sex Practice Room. This was a classroom I had created with my "revision" ability to fulfill every man's dream of a sex education class. The room was filled with a large mattress big enough for 30 students. In addition to the mattress, it was fully equipped with adult toys, cosplay costumes, PCs, a projector, and a shower room for the class's needs.
To start the sex education class, our class 1-1 gathered here in our underwear since the morning.
"What do you think we'll be doing in sex ed?"
"Hmm, I'm excited though."
"If we're in our underwear every class, I'll have to get a lot of cute underwear."
"In our underwear, everyone's bodies are on full display, huh?"
"No, but Houki's body is just unfair."
"What?! What are you saying?!"
Thirty beautiful girls in their underwear were lying on the mattress, happily chatting. This was paradise.
Erotic bodies like Houki and Cecilia's were getting compliments from other girls, making them blush with embarrassment.
"Nn!♥ Kiyono-kun, don't look away!"
"Touch me more!"
"Oh, my bad, my bad."
As I was admiring my classmates in their underwear, a protest came from right beside me. I had been getting a head start on the class by fondling the classmates I hadn't been able to hold for a while.
In front of me, Riko was lying on her back, her legs spread in an M-shape, her panties pulled down to her knees. She was showing me her genitals, and while she looked embarrassed, she chided me for looking away, clearly wanting me to look at her.
My left arm was occupied by Yuko, whose bra was pulled aside so I could knead her breasts. To top it all off, I was letting Remi suck on and lick my penis.
The penis I had just cleaned in the morning bath after having sex with Cecilia and the others was getting wet again. It seemed my penis wouldn't get a moment's rest.
"Remi, that's good. Spread more saliva with your tongue..."
"Nn..., nfu..."
When I stroked Remi's hair, she narrowed her eyes in pleasure and puckered her lips, licking my glans while sucking on my penis. My groin was wrapped in a sweet pleasure, and it felt great.
As I savored Remi's blowjob, I kneaded Yuko's natural breasts with my left arm.
"Nn..., does it feel good, Kiyono-kun..."
"Yeah, they're so soft and feel great."
"Y-Yeah, touch them a lot, okay? Nn..."
I enjoyed the feel of Yuko's normal-sized breasts and rubbed her nipples. Yuko's tormented sighs were so arousing.
"Come on, Riko, spread it more with your fingers and show me."
"U-Yeah..., how is it...? Can you see?"
Riko placed her fingers between her M-spread legs and showed me her groin herself. Her vulva spread open, and I had a great view of the most embarrassing part of a girl.
"It's so beautiful, pink, and it's moving a little."
"My, my fingers..."
I moved the hand that was stroking Remi's hair to Riko's crotch. My fingertips touched Riko's warm flesh, and her body gave a little shiver.
"It's twitching, Riko, did you masturbate yesterday?"
"Eh, n-no I didn't... I was tired from messing with the IS I got."
"Then it's all pent up."
"U-Yeah..., an!!"
I inserted a finger slightly inside and bent it lightly. Riko covered her mouth and let out a little cry of pleasure. As I traced the erogenous zone just inside her vagina, Riko's face twisted in a good way.
"Nn... that spot, it feels good..."
"Yeah, I'll touch it more."
"Ah... there it is again...!"
Since Riko let out a happy moan of pleasure, I put in another finger. The two fingers spread Riko's vaginal flesh, exposing the depths of her pussy.
"The flesh in the back of Riko's pussy is twitching and pink."
"Yaaan, don't say it out loud!"
"I'll have to touch this a lot then."
"An!"
I moved my two fingers separately and in small movements. The pads of my fingers stroked and wet Riko's vaginal flesh.
Kuchu, kuchu...
"Riko's pussy is getting wet. It's making a sexy sound."
"Aaan..., it feels so good... rub it more... aaah!♥"
Love juice dripped from the back of Riko's pussy, wetting her vaginal opening and my fingers. Riko's face was so cute as she was feeling pleasure, and my penis grew bigger in Remi's mouth.
"Nmu!"
"Oh, Remi, my penis got bigger again, but you have to keep licking it."
"Ngu, nn..."
Jupo, jupo...
"Ooh, that's it...!"
Remi's mouth puckered, and she sucked on my penis with force. It felt so good that it made me more enthusiastic about fondling Yuko and Riko.
As I was enjoying this erotic moment with three beautiful girls, the chime rang, and the door to the practice room opened. Chifuyu and Maya, both in black lingerie, entered, followed by a defeated Ichika in his trunks.
"Good morning, everyone."
"Everyone is in the designated attire. Impressive."
"Good morning, everyone~"
I continued to fondle the girls while fully appreciating the erotic bodies of our homeroom teacher and assistant teacher, who were unreservedly showing off their mature figures.
"Hah, you're the only one who isn't ready. You lazy bum."
"Ugh..."
Ichika, who had entered the room with a deathly pale face, groaned as Chifuyu hit him with the attendance book.
"What are you embarrassed about? Everyone knows how pitiful your dick is. Seriously..."
Ichika's groin, who had been dragged here against his will, immediately began to swell and press against his trunks upon seeing his classmates in their underwear. However, its size was far too pathetic compared to mine.
"Whoa, he's got a boner..."
"It's so small~"
Ichika sat down as the girls in the class snickered at him.
"Oh my♪ Masaru-kun was doing his homework since the morning♪ That's very diligent of you♪"
Maya praised me as if I were an honor student, even though I was fooling around with girls before class. I smiled back at Maya, who was shaking her jiggling breasts and smiling at me, and she covered her cheek, letting out a joyful "My!♪"
"W-Well then, let's begin the class. Orimura-sensei, please."
"Alright, let's start sex education today. First, Aikawa."
"Y-Yes."
"Do you know what the new educational policy of this academy is?"
"Yes. Um, it's to train excellent sex slaves for Kiyono-kun."
"That's right. Kiyono is a treasure of this world. It is his natural right to build a harem and hold as many women as he likes. For Kiyono's sake, you will learn the combat skills to defeat anyone who opposes him through IS training, and you will learn the sexual skills to please Kiyono in this sex education class."
"Everyone, let's do our best to become strong and erotic girls for Masaru-kun's world conquest♪"
Both Chifuyu and Maya affirmed and promoted the education for my harem as if it were the most natural thing in the world.
"Now, let's begin the sex education class. Today's theme is this!"
Maya took a pen and wrote "genitals" on the whiteboard.
"Yes, it's a class on genitals. Now, Shinonono-san."
"Y-Yes!"
"What is the role of a girl's genitals, the female genitals?"
"The r-role of female genitals!? Uh, um..., to... to conceive a child."
"Yes♪ That's right. To be more precise, it's to make a man, or more specifically, Kiyono-kun's genitals, his penis, feel good, and to properly receive the semen he releases for conception♪"
Saying that, Maya added "female genitals" to the board and wrote "vagina" and "pussy" below it.
"Well then, the female genitals, which receive the penis and semen and make the man feel good... has anyone looked at what the inside of the vagina looks like?"
The girls tilted their heads at Maya's question. Maya's class was so erotic. My penis would get bigger if a cute teacher like her talked about pussies while shaking her breasts. It was pitiful watching the virgin Ichika get a boner.
"Hehe♪ So, today we will study with Orimura-sensei's pussy."
Saying that, Maya prepared a video camera and connected it to the projector. Next to her, Chifuyu spread her legs and sat down. The black lingerie was clinging to her Mons pubis, highlighting it.
"Alright, Orimura-sensei, please."
"Ah, aah... Even if it's for education, this is embarrassing."
At Maya's instruction, Chifuyu pulled down her panties and exposed her genitals. Maya set up the camera in front of Chifuyu and turned on the projector. An image was projected onto the whiteboard, showing a close-up of Chifuyu's female genitals.
"Yes, what you see now is Orimura-sensei's female genitals. Isn't it sexy?♪"
"Ooh~"
Cheers erupted from the female students who admired Chifuyu, now that they were seeing a live feed of her pussy.
The pussy on the screen had neatly trimmed black hair on top, and the vulva below was tightly closed. Chifuyu's face was flushed with shame as she was stared at by me and the other girls.
"First, this mound of flesh is called the labia majora. Orimura-sensei's are very beautiful."
Maya began to explain, pointing at the projected image. A class with Chifuyu's pussy as the material was the most luxurious class in the world.
"That's enough, Remi."
"Nn..., puh. Are you done?"
"Yeah."
"Ah, aaah!"
My erection was getting too excited, so I made Remi stop the blowjob. My swollen, saliva-covered dick pointed at the ceiling. Then, I pulled my fingers out of Riko's pussy. It was completely gooey and wet.
"Now, Orimura-sensei, please spread it with your fingers."
"U, ah, aah..., kuh."
Chifuyu's fingers spread her vulva open, revealing the pink flesh inside.
"Yes, this pink flesh is the labia minora. It's easier to think of them as 'flaps,' right? Now, a question for you. Bodewig-san."
"Ha!"
"Please come up and actually touch Orimura-sensei's clitoris and show everyone."
"Ha! Understood!"
Laura, in her cute black underwear that covered her small breasts and butt, stood up and walked towards Chifuyu, who was now spread-eagled.
"Orimura-sensei, please excuse me."
"B-Bodewig, please be gentle!"
Laura, without mercy, reached for Chifuyu's crotch and rolled her finger over the little bean-like bump at the top of her vaginal opening.
"This swollen part is the clitoris."
"Yes♪ Well done, Bodewig-san."
While Chifuyu arched her back from her student touching her clit and the close-up of the clit was projected on the screen, I put my penis against Riko's pussy.
"Ann!♥ Your hard penis is touching me...!"
Nup...
"Aaaaah...! It's going in!"
When I inserted my erect penis into Riko's pussy, she, aroused by our long-awaited sex, let out a high-pitched cry and swallowed my penis.
"Hah... Um, Orimura-kun, you don't seem to be concentrating on the class. Are you okay?"
"Eh, ah, u-um, sorry..."
"Hah, well, that's fine. It might be a difficult class for someone like you who mistakes a textbook for a phonebook and throws it away."
"Hehe...♪"
"O-Oh, don't make me laugh, hehehe..."
"Besides, his underwear is stained... he's pre-cumming because of his family member's crotch."
"He's a pervert...?"
The girls in the class threw harsh words at Ichika, disparaging him. Even Chifuyu, who was the subject of the lesson, sighed.
(Hahaha, what a great sight. Go ahead and get a taste of what it's like to be called a useless male student and told you shouldn't even be in this academy.)
While I was having sex with Riko, I couldn't stop laughing as I watched Ichika's pathetic figure.
"Well, since you're all so good, let's study the deeper parts of the pussy today."
Saying that, Maya removed the camera and inserted a long, thin tube with a camera at the end into the projector.
"Alright, Orimura-sensei, I'm going to insert it."
"Ah, aah... Nn!"
Kuchu...♥
"Ah, aaah...!"
The thin tube went into Chifuyu's vagina, which was already slightly wet from being watched by the students.
"Everyone, look closely♪"
Maya pressed a switch on the device, and a sea of wet pink flesh was projected onto the screen.
"What you're seeing now is the inside of Orimura-sensei's vagina, filmed with a very thin fiberscope♪ It's getting all wet."
"Whoa~, it's so sexy..."
With the inside of her vagina being shown on the screen, Chifuyu's embarrassment reached its peak. I used Chifuyu's shame and the image of her vagina on the screen as a visual aid to thrust my hips even more violently.
"Yaa! Ann!♥ Kiyono-ku...! You're so rough...! Aaann!"
Pan, pan, pan!♥
"Ah!♪ So goood, I'm coming, aaahn!"
Ignoring Riko's climax, I thrust my hips as I wished, using her hole like a fleshlight to pleasure my penis.
"It's with this love juice-soaked vaginal canal that a girl wraps around a penis to make it feel good. Now, let's insert the camera even deeper."
"Ah, w-wait, Maya...!"
Nupupu...
"Aaaaah!!"
Chifuyu's agonizing face was a great sight that turned me on.
The sea of flesh on the screen came to a dead end, with a small hole in the middle.
"This is the deepest part of Orimura-sensei. This hole is the cervix. This is where semen is poured, which is the purpose of sex."
I burned the image of Chifuyu's cervix into my mind. Every time I would have sex with Chifuyu, I would imagine pouring my semen into that hole. I would imagine if Chifuyu would climax in pleasure at the thought of being filled with my cum.
Buchuru!
"Aaahn! It's coming out!♥"
"Oops, I came. Sorry, Riko."
I came from getting too excited by the live footage of Chifuyu's wet pussy. I wondered if Riko's vulva was twitching like that, too. I was getting so aroused.
"Ah, ann!♥ It's amazing, so much...! Nnnn!"
I was immersed in pleasure as I came inside Riko's warm pussy.
(Sex education... this is the best class ever...)
"Now, are there any questions about today's class?"
"Yeees!"
"Ah, yes, Masaru-kun, you're very studious♪"
"I want to see what's inside other people's pussies besides Chifuyu's~"
I requested more visual aids, even as I was ejaculating into Riko.
"Other than Orimura-sensei's? W-What should we do...? Whose do you want to see, Masaru-kun...?"
"Hmm... I'd like to see a student's pussy, besides a teacher's. How about Houki?"
"M-Me!?"
Houki's cherry blossom-patterned bra shook in surprise at my direct request.
"W-Well then, Shinonono-san, please come here..."
"Ugh... yes..."
Resigned, Houki walked up to Maya. Like Chifuyu, Houki spread her legs and slid her panties down to reveal her genitals.
"Ooh~"
"Ugh, don't cheer!"
"But, you know?"
"Yeah, Houki's crotch is so beautiful."
"Not only her breasts but her pussy is beautiful too. Shinonono-san, that's not fair."
"U-Ugh, be quiet! Yamada-sensei, if you're going to film, please do it quickly!"
"Ah, yes. Understood."
Zupo!
"Kuh!"
"Oh, I'm sorry, Orimura-sensei, I pulled it out suddenly."
"H-Hah, hah, n-no, it's fine if it helped the students..."
"Now, Shinonono-san, I'm going to insert the camera."
"Y-Yes..."
The camera, pulled out of Chifuyu's pussy, was now in Maya's hand, and she inserted it into Houki's beautiful pussy.
Nupu...
"Aaan!"
"Oh, Shinonono-san's pussy is already wet and it goes in smoothly♪"
"D-Don't say that! Uah...!"
A close-up of Houki's slightly wet vaginal canal was displayed and shown to everyone.
(So this is Houki's pussy...!)
The screen showed a beautiful pink pussy, wet with a cloudy secretion and twitching. Just looking at it was so alluring and stirred my male instincts.
"This is Shinonono-san's vaginal canal. Masaru-kun, what do you think?"
"Hmm? Well, it's beautiful, sexy, and looks like it feels good."
"Ugh... how embarrassing...!"
"Hmph, Orimura, that's the pussy of the Shinonono you admire. What do you think?"
Chifuyu, who had pulled her panties back up, spoke to Ichika, who was awkwardly closing his legs.
"W-What do I think? Th-That's..."
"Hah... when your pants are wet from pre-cum, your words don't have much weight."
"Hah, how disgusting...!"
"Ugh...!"
Unable to control his excitement, Ichika's pathetic boner was ridiculed by Houki, and he started to tear up.
"Hey, Houki, that's too much. Orimura-kun looks like he's about to cry."
"Yeah, he's a virgin who got his girlfriend stolen by Kiyono-kun, right? Seeing Houki's pussy must be too much for him, he probably peed and came a little."
"Hah, that's what's so feminine and disgusting about him... He's not as big as Kiyono..."
"Ugh...!"
"Aww, he's crying, hehehe...♪"
Ichika burst into tears from Houki's rejection and the girls' mockery. Poor guy.
"Hah... Orimura, were you that excited by Shinonono's genitals? Then, I'll lend you a tissue, so be grateful to Kiyono and just masturbate."
"Wha, n-no..."
"Do it. Your pathetic little dick is an eyesore."
"Ugh..."
Ordered by Chifuyu, Ichika took off his pants and pulled out his pathetic, minimal penis. He then put a tissue on the tip and began to masturbate.
"Whoa, he's really starting to masturbate... does he have no pride?"
"Tch, he's truly a stain on the instructor's life. It's so unsightly."
"Ugh, uuu..."
Ichika, being ridiculed by the entire class, began to cry miserably as he stroked his pathetic dick. Chifuyu and Houki glared at him with contempt.
"Hah, who told you to pinch your dick? I told you to masturbate..."
"O-Orimura-sensei, I think that's his erection, at least."
"It's so small you can't even stroke it with your hand? What's the point of having one?"
"He uses it to pee, right? He's trying so hard to masturbate, so we shouldn't laugh, hehehe."
The girls in the class mocked Ichika's pathetic dick. For them, any man other than me was trash, and Ichika was the worst of the worst, so their attitude was harsh. On the other hand, they were all like angels, so kind and sexy, the best girls, just for me.
Nupun!♥
"Yan!"
I pulled my penis out of Riko's pussy and, still erect, I walked to the front of the classroom.
Everyone was blushing and mesmerized by the sight of my penis, the one that could truly make women cry, swinging, a sight that was incomparable to Ichika's pathetic one.
In the front of the classroom, Houki was looking down on Ichika, who was miserably crying and masturbating.
"Ugh, uuu..."
"Hah... Yamada-sensei, insert the camera all the way in."
"Eh? Okay. I'm going in, okay?"
... kuchu
"Nn... Hey, Ori-mu-ra, look closely. This is my cervix, which you have dirtied countless times in your fantasies."
"H-Houki...? Ugh, ah...!"
"Hah, your femininity is making me angry. This is my uterus, which rejects your pathetic, premature ejaculator's dick. You're lucky you got to see it."
I walked up to Houki, who was verbally abusing Ichika, and thrust my penis in front of her face.
"My pussy is exclusively for this villainous dick of Kiyono's, with all its throbbing veins. I'm utterly fed up with you. What do you mean, 'I'll protect you'? You can go masturbate alone and watch me service Kiyono. Nn...♥"
Houki spat out words of contempt at her fallen childhood friend, then took my cum-covered penis in her hands, and without any disgust at the other girls' love juice on it, she put it in her mouth and sucked on it.
"Houki...! Ugh...!"
Watching his childhood friend spread her legs and suck a man's penis, Ichika let out a voice filled with despair and wasted his sperm on a tissue.
"Whoa... he came from being insulted..."
"He's a cuckold masochist, how lame~"
"Of course Houki would choose Kiyono-kun's veiny dick over that pathetic one~"
Ichika's penis, having squirted sperm onto the tissue, went limp. Ah, what a pathetic sight.
"Okay!♪ So everyone. With that, next time, we'd like to study male genitals. Kiyono-kun's and Orimura-kun's dicks are completely different, aren't they? We'll compare them as we study the penises you'll be servicing♪"
Maya concluded the class with a big smile.
I stroked Houki's head, who was diligently giving me a blowjob in front of Ichika, and looked down on Ichika with a snicker.
(Ah, serves him right. Houki's mouth is the best~♪)
I then proceeded to cum in Houki's mouth and make her swallow it, making sure Ichika saw everything, to rub in the fact that I had stolen his childhood friend.
-------
"Huu..."
"You did a great job, Orimura-sensei♪"
"Hah, even if it's for the students, filming the inside of my genitals is so embarrassing... and when we have sex education, the gap between that failure and Kiyono becomes so apparent that it makes me want to cry, being his blood relative."
"Hahaha... Orimura-kun is quite a handful."
In the staff room after class, Chifuyu sighed and wiped her vagina with a tissue. Maya listened to Chifuyu's complaint with a wry smile. Maya, too, was filled with emotion at the magnificence of her beloved Kiyono during the class, but she also sighed at the hopelessness of the other male student.
"Ah, that reminds me. Orimura-sensei, have you heard about the new transfer student?"
"A transfer student? No, not yet."
Trying to forget about the pathetic student, Maya changed the subject.
"You see, various countries are showing their willingness to submit to the IS Academy, and to Masaru-kun and Dr. Shinonono, who are collecting the IS cores."
"Hmm, well, that's natural. Existing weapons are useless against IS, and the IS are monopolized by the IS Academy. Opposing them is like a naked man trying to sumo wrestle with a tank."
According to Maya, countries were lining up to butter up the IS Academy, which meant me. Chifuyu was proud of the fact that the man she loved was taking over the world.
"And so, as a sign of submission, Thailand wants to send a representative candidate of the same age as Kiyono-kun as a tribute to Masaru-kun."
"I see... So they're starting with a girl his age to get on his good side easily. The academy's philosophy is to expand Kiyono's harem, so there's no reason to refuse."
"Yes. And this is the profile of the transfer student that was sent to us today."
Maya operated her terminal and showed Chifuyu the data.
"Oh. She has a pretty face. Her breasts are big, too. Have you told Kiyono about this?"
"Yes, I just told him, and he said he wants to have an 'interview' first."
"I see. Send a reply to the Thai government and tell them we approve."
"Yes!♪ Understood!♪"
Maya happily began the procedures for Kiyono's sake.
"With that face and body, Kiyono will definitely like her. Vishnu Isa Galaxy. A virgin with no male experience, huh?"
Chifuyu muttered, looking at the picture of the beautiful girl.