We were lying side by side on a tatami mat inside the hut.

More accurately, we were sleeping in each other's arms.

I had generated an extra mat and draped it over us like a comforter, but that was only slightly better than having nothing at all.

With no lighting and the windows closed, the room was pitch black.

The only things I could truly feel were our body heat and the sound of our breathing.

Just sleeping next to my cute childhood friend made me nervous enough as it was, but she smelled intoxicatingly good, and even through her uniform, her soft breasts were pressed firmly against me, their shape changing as they conformed to my chest plate.

In a situation like this, not reacting would have been the impossible miracle.

I was desperately praying that Senryu wouldn't notice.

"Sō-kun"

"I...!"

Senryu called my name in a soft voice.

My heart gave a violent start.

"You've already had dinner, but are you still producing mushrooms?"

It was a dirty joke.

The kind of dirty joke guys tell that women tend to hate.

I suppose turning a blind eye is supposed to be chivalrous, but having noticed it, maybe Chiyu’s form of mercy was just letting it slide as a joke.

"…Sorry. That is, if I left them alone, they’d get absorbed into the Inventory."

I was just going to play it off as a joke and call it a day.

That, at least, was my plan.

The arms Chiyo had wrapped around my back released their hold, only to drift down—toward my groin.

Then, with a rhythmic motion... shushu... she started moving it.

"C-C-Chiyo... !?"

"I heard that holding it in is painful."

"H-Huh? No, I mean, yeah, it does hurt, but..."

Never expecting Chiyo to initiate something like this myself, I stumbled over my words.

Leaving me flustered behind, her hands moved; the fly of my pants unhooked, the zipper lowered, exposing it.

It stood at full attention, asserting its arousal into the open air.

"So this is what you look like."

Chiyo's slender, pale fingers moved up and down slowly.

"It's obvious that you like me."

Her movements were awkward, making it clear that my childhood friend was by no means experienced in this.

"But, Sō-kun is kind."

Since a moment ago, the sound of her breathing had been brushing against his neck, sending waves through him that were both ticklish and arousing—a strange, intense sensation.

"I can see you're probably thinking it's cheap to confess now, trying to keep us as childhood friends..."

Fitting for two who had known each other since kindergarten; he was fully read by her.

Besides, his feelings seemed to have been discovered long ago.

...In other words, wasn't this act Chiyu's way of answering him?

"You don't have to confess until we get back to Earth... but..."

The soft warmth of Chiyu's fingers moved with a shick... shick... motion, the fluid leaking from the tip making the movements impossibly smooth.

"Just so you know, I don't mind doing this kind of thing with Sō-kun."

In the darkness, relying on the sound of her breath to find Chiyu's face, he closed the distance and pressed his own face against hers.

He could sense her tilting her head, as if she had caught his intent.

The first attempt missed slightly, landing on her cheek. Even that skin felt burning hot—was it because she was excited, or perhaps nervous? Maybe both.

On the second try, their lips finally met.

Her lips were impossibly soft and moist.

It felt as though I was touching clouds.

After exchanging several more kisses that were nothing more than brushing lips together, our movements gradually intensified.

Eventually, the motion grew heated, as if we were trying to bite down on each other's lips.

Though we hadn't coordinated a thing, our movements linked up in perfect sync, flowing without any stuttering or hesitation.

All the while, Chigana's hand never stopped, continuing its steady up-and-down rhythm—shhh... shhh...

"Mm... pfff... that hotness of yours..."

My technique wasn't exactly skilled, but it didn't matter.

The mere fact that Chigana was doing it sent my arousal to its peak, birthing a pleasure beyond words.

Was this because it was our first time, or would it always be like this going forward?

The pleasure was so exquisite I wanted to savor it forever, yet so stimulating that I couldn't hold back much longer.

Before I knew it, my limit arrived far sooner than when using my own hand.

"Chigana... gah, I'm..."

I could tell Chiyu was chuckling. It was a sound brimming with delight.

It was a lewd, coquettish giggle—completely uncharacteristic of the flat affect she usually spoke with.

"Go ahead, So-kun. Just like this... let your favorite childhood friend's hand give you that ssshhh."

Chiyu’s voice, blown directly into my eardrums, raced up my spine like a bolt of lightning.

As if the shockwave had physically manifested, a stream of milky white fluid erupted from Chiyu's hand.

"I know what your kink is, childhood friend. Ssshh, sssh, sssh."

While saying this, as if squeezing out the last drop, Chiyu moved her hand in time with her words.

Her hands, her wrists, probably even her midsection—white fluid was splattered all over them, yet she showed no sign of caring.

I lay there, legs gone, caught in a daze of bliss, but eventually, I managed to gather my wits and think.

――Oh, right. The dirt on the futon and clothes? Just stash them in my Inventory and delete the stains.

――And for Chiyu’s hand, a wet towel will wipe it clean, or soap if needed.

Maybe getting dirty wasn't such a big deal after all.

Lost in those thoughts, I heard a squelching sound as Chiyu opened and closed her hand.

"It's like this," she said. "It's really runny... warm, and it smells weird. Plus, there's a huge amount of it."

"I'm sorry, Chiyu."

As I apologized, Chiyu leaned in to kiss me.

In the darkness, she must have missed her target, because her lips landed on my nose instead.

But she didn't seem to mind, continuing to move until her lips finally made contact with mine.

With a soft chu, she spoke.

"Not 'thank you,' right?"

Her tone was back to its usual self.

"...Thank you."

"You mean 'As expected of you, Chiyu-sama'?"

I could feel the atmosphere returning to normal.

"Even though it's your first time, as expected of you, Chiyu-sama."

"The result of visualization training."

"You've been doing visualization training?"

"The same number of times I've imagined myself becoming yours."

"That sounds like quite a lot."

Upon hearing that, I sensed Chiyu nodding in satisfaction.

And so, we kept wrestling with each other for a while.

"Hey, Sou-kun."

"Hm?"

"...Can I go next?"

Hearing that, I realized it was only me who had gotten comfortable with the situation.

"Ah, ah, yeah, of course."

Though I hurriedly replied like that, my mind was in a panic, unable to figure out what the ideal next step should be.

"It's fine. Just touch me."

"Ah, ah, yes."

"Before that, though, I want to wipe my hands clean."

"Yeah... you're right! Here's a towel. Ah, should I get the water and bucket too?"

"For now, just the towel is enough. We can deal with the rest later."

I placed the towel within reach and handed it to her.

After she finished wiping, she grabbed my hand and guided it inside her skirt.

"You probably want to sniff, but save it for another time."

"Who is that version of me in your head who's so stubbornly obsessed with scent?"

And then, my finger touched her underwear—and at that moment.

A gust of wind suddenly blew, shaking the trees, and the rustling of the leaves echoed through the air.

"Shiro, we're here? Wait, what's this stone wall? Whoa..."

"Machi-san, save the shock for later. Can you check if Kunou-kun is around? It's probably that hut over there."

"Huh? Hm... Whoa, actually, there really is a hut. Maybe Kunou knew we'd make it this far."

"Ask him about it later, after we meet him? For now, we're just suspicious strangers, don't you think?"

"Oh right, that's true. Kunou~! Anyone in there~? It's me!"

"Yeah, at least give your name, Machi-chan."

"No, given how close me and Kunou are, he'd know who it is just by the voice."

"But wait, Kunou-kun... In that dream just now, even though Machi-chan was right there with you, didn't you grab Mr. Iyama's hand?..."

"...No, Chiyu is apparently my childhood friend. And, besides, she was closer."

Thanks to the audio leak, the speakers were identified.

One of them was likely Machi Aran, a highly social gyaru.

The other was unclear, but given their rapport with Aran, it was probably one of the female students friendly with her.

And Mashiro is, probably, related to the ability of summoning.

It’s unclear how this gyaru, wielding the Mofu Mofu Summoning Ability, got here or what she intends to do.

But I can’t just ignore her.

"Umm, Chiyu…?"

"Soap, water, bucket."

"Youp."

The voice of my childhood friend listing out what to arrange was unusually cold.

For Chiyu, I must be an obstacle, but I am a valuable other transmigrator and a friend.

I hurriedly pulled my pants back on, arranged various things, opened the window for Chiyu to let the moonlight into the hut, told her I'd make it up to her properly, and then quietly stepped outside.

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We were sleeping side by side on a mat inside the hut.

More accurately, we were sleeping in each other's arms.

I had generated another mat and used it as a blanket, but it was barely better than having nothing.

There was no lighting and the windows were closed, so the room was pitch black.

All I could feel was her body heat and breath.

Even just sleeping next to my cute childhood friend was nerve-wracking enough, but she was giving off a scent that made my head spin, and her soft breasts were pressed against my chest, reshaping them through her uniform.

It was impossible not to react in such a situation.

I was praying that she wouldn't notice, but "Sou-kun." "Hn..." Chiyu called out my name in a low voice. My heart skipped a beat.

"Even though we've already had dinner, why are you offering mushrooms?" It was a sexual joke.

It was the kind of joke that a man would make that a woman would find offensive.

I thought it was the chivalry of a samurai to refrain from making such jokes, but maybe it was Chiyu's chivalry to make a joke of it and let it slide.

"...Sorry. If I leave it alone, it'll go into my Inventory."

I thought that by joking back, this matter would be over.

But that's not how it turned out.

Chiyu's arm, which had been around my back, suddenly moved towards my crotch.

And then, it started moving up and down, up and down. "C-Chiyu...!?"

"You said it's hard to hold back."

"Huh, no, well, that's true, but..."

I was so surprised that I couldn't even speak coherently. I didn't think Chiyu would do something like this.

Chiyu's hand moved, unhooking my pants and unzipping them, revealing what was inside.

It stood up straight, proclaiming its excitement to the air. "Sousuke-kun."

Chiyu's pale hand moved up and down slowly.

"I like you, clearly."

The movement was awkward, clearly showing that Chiyu wasn't used to this.

「But, Sō-kun is kind.」

Since earlier, her breath had been tickling my neck, making me feel both excited and strange.

「I can tell that you're thinking it's unfair to confess now, and that you want to continue being childhood friends.」

Indeed, having been friends since kindergarten, she could read my personality.

Besides, it seemed like she had already known how I felt.

...In other words, this act was probably her way of responding.

「I don't mind confessing even after we get back to Earth...」

Her soft, warm fingers moved back and forth, the fluid leaking from there making her movements smooth.

「I'll let you know that I don't mind doing this with you.」

In the darkness, I relied on her breath to find her face and brought my face closer to hers.

As if she understood my intentions, she tilted her head.

At first, our lips missed and touched her cheek instead. Even her cheek felt hot, whether because she was excited or nervous, or both. On the second try, our lips met.

Her lips were unbelievably soft and plump.

It felt like touching a cloud.

After exchanging a few kisses where we only touched our lips, our movements gradually turned into nibbling.

Eventually, the movements became more intense, as if we were trying to bite each other's lips.

Without any prior agreement, our movements were synchronized and smooth.

Meanwhile, Senyuu's hands never stopped moving up and down.

"Un... Fu... Soun-kun's... so hot..."

Though my movements weren't particularly skillful, that didn't matter.

Just having Senyuu do this was enough to send my excitement to the peak, creating an indescribable pleasure.

Was this because it was my first time, or would it always be like this?

The pleasure was so sweet and delicious that I wanted to savor it forever, yet so stimulating that I couldn't bear it for long.

Soon, I reached my limit much sooner than when I did it by myself. "Senyuu... I can't... anymore..."

Heh, I could tell Senyuu was laughing. It sounded happy.

Her voice, usually flat and monotone, was now filled with a lascivious giggle.

"Sure, Sou. You can let it out, onto the hand of your favorite childhood friend."

Senyuu's voice, blowing into my eardrums, shot up my spine like lightning.

As if manifesting that shock, a white, viscous liquid burst from my body into her hand.

"I know your childhood friend's sexual preferences. Bjuu, bjuu, bjuu."

Senyuu continued to squeeze out the rest, moving her hand in rhythm with her voice.

Her hand, her wrist, and even her stomach were probably splattered with the white fluid, but she didn't seem to mind.

I was left in a daze from the intense pleasure for a while, but eventually I regained my composure and thought.

――Oh, right, I can store any mess in my Inventory and get rid of it later.

――Senyuu can wipe her hands with a towel, or wash them with soap.

Perhaps the mess wasn't such a big problem after all.

I thought about that as I heard the squishing sound of Senyuu opening and closing her hand.

"It feels like this. It's really sticky... warm and smells weird. And there's a lot of it." "Sorry, Senyuu."

When I apologized, Senyuu brought her lips closer.

In the darkness, she must have missed her target, as her lips touched my nose.

But she didn't seem to mind, and kept trying until they touched.

Chuu, she finally hit me and said, "Isn't it 'thank you'?" Her tone was like usual. "…Thank you."

"Isn't it 'as expected, Senyuu-sama'?"

I felt the usual atmosphere return.

"It's as expected of you, Senyuu-sama, even though it's my first time." "It's the result of my mental training." "You did mental training?"

"About the same number of times as I imagined being with you." "That's quite a lot."

When I said that, I sensed Senyuu nodding in satisfaction.

Like that, we were playing around for a while. "Hey, Sou-kun." "Hmm?" "…Can I go next?"

That made me realize how much I was enjoying it too. "Ah, yeah, of course."

I hurriedly answered, but my mind was in a panic because I couldn’t figure out the ideal next step.

"It's okay. Just touch me." "Ah, yeah."

"Before that, I want to wipe my hands."

"Y-Yeah...! I'll get a towel. Oh, should I get water and a bucket too?"

"Just the towel for now. I'll get the rest later."

I placed the towel within reach and handed it to her.

After she wiped her hands, she grabbed mine and led them under her skirt.

"I know you want to smell me, but we’ll do that another time."

"Why are you so fixated on smelling me inside you?"

And then, my fingers touched her underwear—just then.

A sudden gust of wind blew, causing the trees to sway and rustle.

『Masiro, I found you!? What, this is a stone wall? Wow...』

『Shouko-chan, calm down and check if Kouno-kun is here first, okay? He’s probably in that shack.』

『Huh? Oh, yeah, there’s a shack. Did Kouno read this far?』

『Why don’t you ask him later? Right now, we’re suspicious.』

『Oh, right. Kouno~! Are you here~? It’s me!』

『Yeah, at least let’s introduce ourselves, Shouko-chan.』

『No, Kouno and I are close enough that he’ll recognize my voice.』

『But Kouno-kun, in that dream, you grabbed Ieyama-san’s hand even though Shouko-chan was nearby, right...?』

『...No, Shiyuchii’s been his childhood friend, so, and besides, she was closer.』

Thanks to the conversation being so clear, we could tell who was speaking.

One of them was probably the social butterfly, Kouna Shouko.

The other one didn’t ring a bell, but she was likely a female student who was friends with Kouna.

And Mashiro, I suspect, is somehow related to her ability to summon. ###

I don't know how or why a girl with the ability to summon "fluffy things" ended up here, but I can't ignore it. "Um, Senyuu...?" "Soap, water, bucket." "Got it." ###

My childhood friend's voice, which succinctly listed the items to be placed, sounded unusually cold. ###

She may see Mashiro as an obstacle, but she's also a valuable other transmigrant and a friend. ###

I hurriedly pulled up my pants, set everything in place, opened the window to let the moonlight into the shack for Senyuu, and told her, "I'll make it up to you," before quietly stepping outside. ###

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