The next day, arriving at the gates of First High School by commuter vehicle, I was momentarily surprised, unlike in the original work. If my memory serves me right, Tatsuya was supposed to be sitting on a bench reading documents in the original. Instead, he was in front of the auditorium with Miyuki... Ah! This is the anime version! The opening is different between the original light novel and the anime. Oh, I was so flustered.
Just as Miyuki, the first-year class representative, entered the auditorium for the entrance ceremony rehearsal, I decided to approach Tatsuya. As I said yesterday, this story revolves around Tatsuya. I need to integrate myself now. By telling him I was also a Course 2 student who "tried hard in magic theory because my practical skills were lacking," he accepted me, as we were in the same predicament. I was worried that "Onii-sama's" intuition would make him suspicious, but it seems that was a groundless fear.
The story progresses to the entrance ceremony. Already in the first year, the seating was naturally divided between Course 1 and Course 2 students. Discrimination is deeply rooted, isn't it? Well, in my case, I'll take them into my arms regardless of whether they are Course 1 or Course 2 ☆
"Um, is this seat taken?"
Tatsuya and I were sitting in the last row when we were addressed from the side. When I said, "Ah, go ahead," the girl who spoke and another girl sat down next to us.
(All right!)
Sitting next to me, as I cheered in my heart, was a dynamite-bodied (an outdated term) girl with glasses and a vibrant, red-haired girl. The girl with glasses is Shibata Mizuki. She wears special glasses to suppress the symptoms of a rather long-named condition. In the original, she gets involved with a character who appears later, but I plan to take her first.
And the red-haired girl is Chiba Erika. She is, in fact, the girl I mentioned yesterday, the one I 'wanted to acquire first.' She is the daughter born from an affair, which has strained her family relationships. In that case, it's okay for me to take her, right?
While I was thinking about this, it seems the Student Council President's congratulatory speech had just ended. And for the freshman representative's address, Miyuki, whom I had just seen, ascended the stage.
"Is that Tatsuya's sister?"
"Huh, is that so?"
"She is, but how do you know that?"
"I saw her talking to you in the auditorium. She called you 'Onii-sama'."
"I was being watched..."
Erika immediately teased Tatsuya, who looked troubled, asking, "You're called 'Onii-sama'?" The address itself ended smoothly—although it did subtly criticize the current bloom/weed issue.
◇◇◇◇◇◇◇◇◇◇◇◇◇◇◇
After the entrance ceremony and receiving the student IDs, Tatsuya declined Erika's invitation to "peek into the homeroom" and left school with Miyuki.
"It might be a stretch to replace Tatsuya, but can I tag along?"
"Jun? Sure, I don't mind."
I established a connection with Erika here. It makes subsequent alterations easier. The three of us—Erika, Mizuki, and I—toured the school, and before we knew it, it was nearing evening.
"See you later, Mizuki."
"Yes, see you tomorrow."
After parting ways with Mizuki on the way home, I activated my Alteration Ability.
"Speaking of which, Erika, your family's a school of sword fighting called the Chiba Style, right?"
"Yes, that's right. You know a lot. You don't look like the type to swing a sword, Jun."
"I'm a magic apprentice, even if I'm rotting away. So, I was wondering if I could see the Chiba Style dojo. Is that okay?"
"Does that mean you want to come to my place?"
"That's the result, yes."
Even if we were classmates, a request to suddenly visit her home would normally be an outright refusal. But this is the power of the Alteration Ability.
"Hmm, fine. But only the dojo itself."
I received a conditional OK. This was due to the alteration: [The relationship between Erika and me is roughly the same as with Mizuki]. If it feels like visiting a friend of the same sex, there shouldn't be any problem.
And so, we both got into the commuter vehicle and headed straight for the Chiba household.
"...I thought someone would say something, but they let me in easily."
"That's just how it is. They have absolutely no interest in me."
The head of the Chiba family, who simply tells his daughter to "do as you please" when she brings a boy home, even if he's a classmate. He really must have no interest in Erika. And just like that, we arrived at the dojo.
"I brought you here, but there's nothing interesting to see. It's not much different from any other dojo."
"No, no, I've never been inside a dojo, so it's new to me."
Erika was slightly dumbfounded, wondering if that was really the case. Well, the main event starts now, doesn't it?
[No one approaches the Chiba family dojo]
This ensures no interruptions. And next...
"Hey Erika, want to try a little match?"
"A match~? What are you planning? I don't think you can swing a bamboo sword."
"I can't. The match is simple: within this dojo, you run, and I catch you."
"So, tag?"
"Simply put. However, using self-acceleration type magic is allowed."
"Oh."
As soon as she heard that magic was allowed, Erika's eyes changed. After all, I'd allowed her area of expertise.
"And then?"
"If I catch you within three minutes, or if you get your back on the floor, I win. If you escape for three minutes, you win. The loser will 'to the best of their ability' grant the winner's request."
"I'm fine with the rules of the match, but what's with the 'to the best of their ability'?"
"I'd be troubled if you asked for something impossible, right? I don't want to be told to go punch your dad or anything."
"That sounds interesting..."
"I'm not doing it. So, 'to the best of their ability'."
"...Fine, I'll play. Just you wait if I win."
"Oh, please be gentle..."
I pretended to be timid, but the outcome was already decided, for all you newcomers.
"Alright then, ready... Go!"
"Hmph!"
As expected of Erika, as soon as I gave the signal to start, she seemed to be planning to use the Acceleration System to retreat. But...
[Temporary Stoppage]
With a supremely simple alteration, everyone but me, including Erika, stopped moving. Well then, I'll erase the magic. Gram Demolition? No, it's the power of the Alteration Ability.
Now, to circle behind Erika... Alteration Release.
"Eh? Kyaa!"
"Got you."
"W-wait, my spell was..."
From Erika's perspective, she had tried to distance herself from me, yet her spell vanished, and she suddenly found herself in my arms. Of course, she was surprised.
"So, I guess that means I win?"
"What did you just do... But a loss is a loss. Tell me your request."
"Alright then."
With Erika looking resigned, or perhaps desperate, I made my request, having waited for this moment.
"Erika, become my female slave."
"..."
Ugh, I know I said it, but that's just terrible. In what world is a 'female slave' the prize for a game of tag? Normally, the best I could expect would be a slap; I couldn't complain even if the police were called. But don't worry.
"I thought it was something serious with that look on your face. I'd be happy to be your female slave."
(Yes! Yes! Yes!!)
My inner grin was even wider than my outward expression! The reason for this, of course, was the Alteration Ability.
[If Tachibana Jun asks you to become his female slave, it is only natural to accept]
I think it's a rather idiotic thought alteration, but this is exactly what I was reborn to do. And the first alteration I made comes into play here: I don't want anyone to see what happened and what is about to happen.
"By the way, Erika, you know what a female slave does, right?"
"Huh? Of course. 'Serving her Master in every way, including sexually.' Isn't that common sense?"
"That's true. I guess I was 'preaching to the choir' when talking to a member of the Chiba family, known as 'Sword Magicians'."
This is the kind of talk that would make the Buddha take a running jump and deliver a flying kick. Still, the idea that being my female slave is common sense for a Magician makes my groin tense up.
Now that my lower half is excited, let's proceed to the moment I've dreamed of!
"Alright, Erika, let's start the ritual to become a female slave."
"Yes, I understand."
Nodding, Erika began to undress from her uniform. The rustling sound of cloth filled the air as she sequentially removed her necktie, jacket, haori, and dress. All that remained were her bra and the outline of her panties visible through her tights. Blushing, she first removed the tights, then her bra, and finally her panties...
"Ugh, this is embarrassing..."
"You're beautiful, Erika."
"Y-you idiot!///"
I meant it, though. Her beautiful breasts, spilling out of her pink bra, the curve of her slender waist, and the tightly closed vulva that flashed for a moment as she removed her panties. There was nothing not to praise. The way she covered her breasts and vulva with her hands was also enticing, but I wanted a proper look.
"Erika, if you cover yourself with your hands, we can't start the ritual."
"I-I know..."
Chastised by me, she reluctantly lowered her hands. ...Ah, I see. I understand why she wanted to hide.
"Did you get excited just hearing you were going to be my female slave?"
"D-don't look...///"
Erika's beautiful nipples were erect, and from her vulva—her pussy—lust fluid was dripping down her thighs.
"I-it couldn't be helped... When you told me to be your female slave and I imagined serving you... having sex... I couldn't control myself..."
Dahaa! The word "sex" coming from Erika's mouth made my ears incredibly happy! But I shouldn't be satisfied with just this. There's more to come.
Maintaining my state of excitement, I resumed the ritual. Erika, in her birth-given state, knelt at my feet and unzipped my trousers. The moment she did, my erect cockboinged out in front of her.
"Wow... This is Jun's..."
"Erika."
"I-I know."
She tentatively, yet gently, grasped the shaft of the towering cock before her, took a deep breath, and then said:
"I, Chiba Erika, as the female slave of my Master, Tachibana Jun, swear to dedicate my body and soul, including my pussy."
—Smooch ❤
She declared herself a female slave and kissed the tip of my cock—the glans—as a vow.
I will never forget this moment. Even if I did forget, I've recorded it using an application of the Alteration Ability ☆
"I-is this the first stage of the female slave ritual...?"
"Yes. And now it's my turn to show my vow."
"Ah..."
I took off my jacket and spread it on the dojo floor, then gently laid Erika on her back. Even though she was my female slave—no, precisely because she was my woman—I wanted to treat her with care.
"Erika..."
"Yes... Come to me."
Normally, foreplay would be necessary, but Erika's pussy—her entire mound—was glistening with lust fluid, indicating she was fully ready to receive me.
So, I gripped Erika's hips, positioned the tip of my cock at her entrance, and slowly began to insert it.
"A-ahhh... It's going in... Jun is inside me..."
"Does it hurt?"
"How can it... I haven't even broken my maidenhead yet, so it shouldn't hurt..."
As Erika said, my cock was stopped partway into her vagina, just before the hymen.
"Please... Take my first time, make it yours, Master..."
"Erika...!"
"Ah... Kuwaaahhh!"
A tearing sensation traveled from my cock, and at the same moment, a cry of agony escaped Erika's lips.
"Ahk... Is it all... in?"
"Ah, almost..."
"Hyaaahn!"
As my cock settled fully into the back of her vagina, both Erika and I were breathing heavily.
"Ugh... Jun, your breathing is heavy too."
"Yeah... Your vagina feels so good, I'm trying not to come right away."
"Haha, I train. ...But don't hold back. I'm your female slave, so you have to enjoy yourself with me."
"Understood... I'm going to move."
"Mm... Ah, mm, haah!"
I started slowly, thrusting and withdrawing, rubbing my cock against the vaginal walls. With each movement, a sensual moan escaped Erika's mouth. Hearing it so close, thanks to the missionary position, made my hip movements gradually become more forceful.
"Ah, ah, ah, aahn! Jun, push harder! Penetrate my vagina until it remembers your shape!"
"I intend to! You are my female slave! I'm going to make this my exclusive pussy!"
"Jun! Jun!"
Pushing deeper, the head of my cock finally tapped something. ...It was her cervix.
"Erika, do you feel that?"
"I do... Your cock and my cervix kissed... This completes the ritual..."
Yes, this female slave ritual is 'completed when the woman kisses the man's glans, and the man kisses the woman's cervix with his glans.' I set this as an alteration. Someone overhearing might find it creepy, but if a beautiful girl like Erika actually did this, no one could call it creepy. It feels that good.
Now that the ritual is done, all that's left is for us to climax!
"Ah, stop, that's amazing! It feels too good, ah, ahhh! I'm going to come!"
"Kuh! Erika! I'm coming inside your vagina!"
"Come! Come inside! Fill my pussy with your semen!"
Erika's plea caused the ejaculation impulse, which was already at its peak, to swell explosively.
And then—
"I'm coming, I'm coming, coming, coming! I'M COMINGGGG!!"
"Ugh!!"
"Aaaaaaahnnnnnn!!"
As I flooded the deepest part of her with semen, the pleasure of staining Erika threatened to whiten my mind. Remaining connected after ejaculation, I collapsed onto Erika.
"Now, you are mine."
"Mm... I'm happy... Kiss me."
Savoring the afterglow of orgasm, we kissed, our tongues entwining as we sought each other. And so, Erika became my female slave.
(One of my wishes has come true. But it is only one. There are still many girls in this world that I must make my female slaves. Tomorrow is going to be busy!)
Feeling the pleasure of the folds of Erika's vaginal walls around my still-connected cock, I renewed my resolve.
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