6:00 PM.
Maki and Mai stood frozen, their eyes wide with disbelief.
Images flickered across the wall, shimmering like a projection from a high-end beam projector.
It was a visual record of a lewd, carnal festival.
It far exceeded the "educational materials" they had studied in secret for the future. The sheer intensity was overwhelming.
"Oh my. It looks like the little ones are quite shocked, aren't they?"
Shuten-douji offered a playful, narrow-eyed smile.
She was the one who had brought the sisters here to witness this spectacle.
Ushi-gozen watched the sisters in silence.
While she couldn't exactly empathize, she understood their reaction.
"Now you see why I brought you here, don't you? I wanted to let you know that we won't be needing dinner, so there's no need to call for us."
"Is that... is that real?"
Mai stammered, her voice trembling.
Her cheeks burned crimson, and her heart hammered against her ribs like a runaway engine.
Maki was in the same state.
The vividness of the projection was on another level—it felt so real that she almost imagined she could catch the scent of the room.
"Of course it's real. I'm showing you this now so you won't be traumatized by the shock later on."
Shuten waved her hand, dispelling the shimmering images from the wall.
She did so before she herself could get any more worked up.
The sweltering, heavy air began to cool.
A calm, chilled atmosphere slowly reclaimed the room.
"For today—and probably until tomorrow morning—unless the Master calls for you specifically, you two can move on your own. Go eat, do some sightseeing."
"Yes. Understood."
"Good girls. You're dismissed."
Shuten smiled and patted the sisters' heads.
Though she was now shorter than both of them, her presence remained titanic.
Maki and Mai bowed their heads and retreated.
Their hearts showed no signs of slowing down.
"Should we... go eat for now?"
"...Yeah."
In a daze, the sisters sought out the hotel buffet.
There was no need to worry about the cost.
The atmosphere was extravagant.
The food was abundant and of the highest quality.
By all rights, it was the perfect setting for a pleasant evening, but...
The sisters felt awkward and restless.
'Wait, so we're going to be doing that later? Isn't that going to... tear me apart?'
'The length... was it about this much?'
They recalled the images, their faces flushing anew.
Under the table, their fingers twitched as they tried to visualize the sheer scale of what they had seen.
They barely knew if the food was going into their mouths or not.
Texture, seasoning—none of it registered.
Eventually, they returned to their room after what felt more like a feeding than a meal.
A strange, heavy tension hung between them.
"I'm going to sleep."
Mai glanced at Maki several times before lying down.
She wasn't in the mood to do anything.
Those scenes wouldn't leave her mind.
And because they wouldn't leave, she couldn't stop being hyper-aware of everything.
"Ahem. I should sleep too."
Maki washed up and lay down quietly as well.
On the same bed.
Lying back-to-back, the sisters' breathing grew slightly ragged.
I only truly came to my senses once morning arrived.
I had held myself back for over ten years, even surrounded by such provocative women.
Finally, the accumulated desires had been released.
As for Shuten or Ushi-gozen, they would have their turn soon.
If they wanted, we could even do it today.
Maki and Mai, however... well.
If that's what they wanted, I was prepared to wait until the day they officially became adults.
"Sorry, everyone, but it's time to get up."
I woke the women sprawled across the bed.
Then, I used Magecraft to clean the soiled room.
Usually, I'd leave it to the hotel service, but...
The state of this room was too disastrous to pass off to the staff.
The lingering scent, the stains.
Leaving it like this would undoubtedly spark all sorts of unsavory rumors.
It was a matter of basic courtesy.
After a quick cleanup, I stepped out into the hallway.
Fortunately, we still had plenty of time.
"Did everyone sleep well?"
"We did. But Master, you look like you might be quite exhausted?"
Shuten asked with a mischievous glint in her eyes as she emerged.
She looked wicked and dangerously seductive all at once.
"Ahem!"
Maki and Mai cleared their throats in unison.
Their faces were incredibly red.
What's with them?
When our eyes met, Maki quickly averted her gaze.
Mai was no different.
She turned her head away, yet continued to steal furtive glances at me.
"Shuten-douji showed them the Master's room via Magecraft yesterday," Ushi-gozen informed me flatly.
Ah. That explained it.
Hearing Ushi-gozen's words made my head spin.
I felt a surge of embarrassment and confusion.
Was this really the right way to do things?
"Let's... just go down for now."
I pushed the awkward atmosphere aside and headed for the dining area.
We couldn't just stand in the hallway forever.
We found a spot in the restaurant and settled in.
The layout favored groups of three, so we split up into three clusters.
And of course, I ended up sitting with Maki and Mai.
It was undeniably awkward.
I ate in silence before fetching a coffee.
The sisters stuck to soft drinks.
"It was a bit humiliating, wasn't it?"
I finally spoke after taking a sip of coffee.
I figured if I tried to talk while eating, I'd get indigestion.
"No. It wasn't really that..."
"We were just a little flustered, is all."
The sisters shook their heads as if they'd been waiting for me to say something.
The heat that had barely faded from their cheeks flared up again.
"You know Shuten has a mischievous side. Please forgive her."
"Forgive her? Rather than that... are you okay, Brother? That was your privacy."
"It's a bit embarrassing, but if you two are okay with it, I'm okay too. It's not like she broadcast it to the public."
I smiled awkwardly and took another sip.
This coffee tasted exceptionally bitter today.
"Um... Brother. Do you still remember what you told us when we were little? About when we become adults..."
Mai asked, fidgeting with her thighs.
The way she cautiously scanned my reaction was exactly how she had been as a child.
When they became adults.
By my standards, very few people were truly "adults," so I usually just called everyone an adult once they reached the age.
"Are you referring to the promise to marry you?"
When I asked the question straight, Mai nodded shyly.
If they were still children, I'd brush it off, but asking this now meant they were serious.
A serious question deserved a serious answer.
I shouldn't treat it as a joke; I needed to respond with courtesy and sincerity.
—When I grow up, I'm going to marry you. Is that okay?
—Me... Me too.
Long ago, Maki and Mai had said those very things to me.
It was the big brother version of a girl saying she wanted to marry her dad.
Our age gap was only five years.
Socially, it was non-issue.
Though the wall between minor and adult existed for now, time would naturally erode that soon enough.
When that time came, how should I act?
I had thought about it occasionally. Sometimes, I'd even considered it deeply.
What if it wasn't just idle talk? What if they were for real?
"Actually, I should be the one asking. Are you two truly okay with this?"
I already had relationships with six Servants.
I had no intention of ending them.
While the bond of having grown up together was strong... my Servants came first.
The sisters surely knew that.
So, I asked them if they were willing to accept such an abnormal arrangement.
"Yeah. It's not like getting married to one person in a normal way is a guarantee for happiness anyway, right?"
"As long as you're okay with it, Brother, I'm happy too."
And with that, the sisters gave their answers.
The die was cast.
Vrrr. Just as my oblivious phone vibrated twice, I looked into their eyes and replied.
"Fine. I'll take you both."
As I sealed the deal, a look of profound relief washed over Maki and Mai's faces.
I felt both grateful and a bit guilty.
"Sorry. Let me take this call."
Apologizing lightly, I pulled out my phone.
It was Geto Suguru.
"Hello?"
"I called to see if you were free to talk. My apologies if I'm interrupting anything."
Geto's voice was heavy with politeness.
No need to be so formal.
"It's fine. What's going on?"
"Ah. I delivered the Mystic Code to Muta Kokichi, as we discussed. After hearing the explanation, I've received his confirmation that he will cooperate with us."
"Really?"
My voice went up an octave without me realizing it.
Muta Kokichi.
Known as 'Mechamaru,' he was a supporting character in the original Jujutsu Kaisen story.
His innate technique was Puppet Manipulation.
He could control puppets he crafted himself, and his range reached across the entirety of Japan.
A nationwide range for a Cursed Technique, and an immense pool of Cursed Energy.
Muta Kokichi had gained incredible abilities as a sorcerer.
All of it came at the cost of losing an arm, paralyzed legs, and constant, agonizing physical pain through a severe Heavenly Restriction.
In the original timeline, he had found hope through Mahito.
In exchange for having his body healed, he acted as a mole, which ultimately led to his death.
I felt a bit sorry for him.
Then again, one could argue he deserved what he got. Opinions were split.
But he definitely left a strong impression.
I still remembered him vividly even though it had been ages since I'd read the manga.
"Good work. I'm sorry to keep burdening you, but I'll be counting on you in the future as well."
"It's a worthy cause, so I'll approach it with a positive mindset. That said... will we really be able to catch this Cursed Spirit named Mahito? We don't even know where he is."
"He will definitely appear."
At this point in time, he hadn't even been born yet.
And since Kenjaku was dead, the flow of history was tangled—but he would manifest. No doubt about it.
That's why I recruited Muta Kokichi.
I instructed him to continue acting as a mole for the higher-ups while tasking him with searching for the curse.
"You seem certain."
"Yes."
"Then I'll trust your word and wait. I'll let Satoru know as well."
"Thank you. I'll see you again soon."
I exchanged final pleasantries and hung up.
That was enough serious talk for now.
"Alright, let's go have some fun. We're in Okinawa—we have to enjoy it to the fullest!"
I stood up and patted Maki and Mai's shoulders.
The sisters and the six Servants seated a short distance away all stood up with smiles.
Today's plan was Kokusai-dori sightseeing, food, and the aquarium.
The whole day was designed as a relaxing course.
The following day was diving and maritime sports, like the board jump I'd always wanted to try.
"Wow."
An exclamation escaped me involuntarily.
Given the nature of the activities, everyone had to wear swimsuits—or something very close to it.
Between the six Servants and the Zenin sisters, the group's collective physical perfection monopolized the attention of everyone around us.
Even Shuten and Ushi-gozen were part of the draw.
They might not have been as well-endowed as some of the others, but they were overwhelmingly captivating nonetheless.
In fact, the tour guide was so dazed by the sight that we ended up running twenty minutes behind schedule.
It was an entirely understandable reaction.
"Master, how do I look? Does this suit me?"
"Everyone looks amazing."
"Brother, what about us?"
"You two look great too. Truly—I'm not just saying that."
Accompanied by eight beautiful women, I felt the gazes of pure awe following me.
Remarkably, there wasn't a single hostile look.
Maybe I was just lucky enough to encounter kind people? It was certainly better than feeling like a target for people's thorns.
The day after that was sightseeing.
Minamoto-no-Raiko, who had obtained a license with a forged identity, took the wheel of the rental car.
Raiko's Riding skill was A+.
Aside from those of the Phantasmal species like dragons, she could masterfully handle any beast or vehicle.
Cars, tanks, planes, specialized machinery—it didn't matter.
The moment her hands touched it, the vehicle moved as if it were an extension of her own body.
Thanks to her, we toured every corner of Okinawa in complete comfort without worrying about navigation.
Naturally, we didn't own a private car.
We spent the final day lazily by the hotel pool, lounging with the Servants in their swimwear.
Fortunately, they weren't wearing the vulgar American-flag-patterned bikinis they had shown me days prior.
Those were for "private sessions" only.
'That was a good break.'
Finally, the last day arrived.
We returned to the airport in time for our flight.
It had been a journey that was just the right amount of provocative, exciting, and tranquil.
Now it was time to return to daily life, rest, and handle the various tasks ahead. Or maybe not.
'Finally going home.'
A sense of nostalgia washed over me as I boarded the flight back to Tokyo.
Rest, physical training, and indulgence.
I'd made so many good memories that I already felt like coming back.
The Servants and sisters were quiet as well, presumably savoring the lingering emotions of the vacation in silence.
"Ah, I need the restroom."
Right after landing, the moment I stepped off the plane, I felt the urge to go.
I hurried to a nearby bathroom.
The sisters and Servants waited for me outside.
"Whew—"
I let it out, the relief washing over me. Having held it for so long, the flow was steady and strong.
I estimated I'd be standing here for about a full minute at this rate.
Just as I finished and was about to pull up my trousers...
"Idle Transfiguration♡"
A flesh-colored tentacle erupted from the urinal drain, lashing out to pierce me.
It happened in the blink of an eye.
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