Multiple updates today.

Here is Chapter 1.

"Yum, yum—!"

Io's exclamation of delight rang out across the dining table.

"Haha, I'm glad you're enjoying it."

The main course for dinner was "Wild Boar Spareribs Stir-Fried with Balsamic Vinegar."

The meat from around the ribcage and a few vegetables were well-coated in a sauce mixed with balsamic vinegar and sugar.

"It really is delicious. This sweet-and-salty flavor... I really want some rice with this..."

As a high school boy, he naturally craved rice with meat, but this dish especially triggered that urge.

"Haha. Yes, I'd like some rice too. Honestly, I'd love to add pepper, cornstarch, garlic, and other things, but I'll have to leave that to future foraging trips."

"Mm. If it expands Shio-chan's cooking repertoire, I'm happy to help with the exploration."

Chiiyu said this while chewing on the meat, smacking her lips.

She fully agreed.

The idea that finding new ingredients would increase Shion's variety made him feel even more motivated.

"The salad is delicious too. Is this balsamic vinegar as well?"

"Yes. The fact that I've been eating it plain up until now makes it taste even better right now."

It was true; since salt was the only condiment available, either I seasoned it with that,

or I ate it as is.

Still, it was delicious.

I’ve said this a few times already, but I’m starting to need rice or wheat soon.

Everything depends on that mysterious blackboard.

Everyone finished dinner and the women’s bath time arrived.

We wear uniforms from morning until afternoon, using the bath as the trigger to change into wool or linen garments.

And after sleeping, we wake up in the morning and change back into our uniforms.

"Oh right, Fupou. What's the difference between soap and shampoo?"

At my question, Fupou placed her finger on her chin as she answered me.

It was the expression she made when she was carefully considering how to explain something.

"Well... There are different types of shampoo. You can wash your hair with soap, but because it's alkaline, it becomes quite harsh on the hair. If Sohaku-san could make a shampoo, I think if you aimed for an amino acid-based formula and mixed in a moisturizer we can obtain on this island, you'd end up with something very gentle on the hair."

"Oh? Is that so? Well, it looks like I can wash my body with soap for now, so please teach me how to make an amino acid-based shampoo."

"Eh, of course I will."

With the sodium carbonate and water already secured, along with the fats and oils that Shinpō had sorted for me, adding glutamic acid extracted from ingredients like kombu made it possible to generate an amino-acid based shampoo.

I also added a moisturizing agent called squalene, which apparently was another item obtained when shearing sheep.

Once Shinpō explained it, the item had been added to my Inventory.

Sheep... they're really coming in handy.

Maybe I could get Shouko to summon me again.

"So, we have completed an amino-acid shampoo packed with natural moisturizing ingredients."

I poured the shampoo into stone containers and prepared enough for every woman.

The next item was the main course: scented soap.

"Try it out right away, and let me know if you have any requests or feedback."

I had fully expected the usual, happy reaction from everyone.

Instead, an unexpected silence fell.

At the table in the living room, four women stared fixedly at the shampoo and soap.

"Is something wrong? Was there something unusual?"

Just as I started feeling a bit uneasy, Chi-iu... rushed forward and hugged me directly.

«Sō-kun. My childhood friend's affection for me, already maxed out, just broke through the ceiling entirely»

Chi-iya presses her forehead against my chest and rubs it vigorously back and forth.

She seems absolutely delighted.

"Well, you're happy about it. That makes me glad."

As I sigh with relief, Yōko leaps onto my back this time.

"Sōsuke, divine!"

Yōko's breasts press against my back, but the sensation causes me to recall what happened at the sea.

"I thought I'd finally managed to return a favor even if just a little, but you immediately give me something new, so repaying you never seems to make any progress."

Uta says this with a look of mild exasperation while leaning her body against my left arm.

"I'm sure I'll return the favor eventually, so please feel free to tell me if anything comes to mind, Sōsuke-san."

Fukami says this with a hint of shyness, then clings tightly to my right side like a cat.

It's a genuine harem situation, but in such a state, my heart is too flustered to let me rest.

"Mino-chan, the way you say things is so perverted."

"Mino-rin, being good at more than just studying—teasing the male heart too... that's overpowered."

"Mmm... that's quite the departure from calling me 'lewd' just yesterday."

"E-everyone, that's really mean..."!

Fukami blushed, her eyes brimming with tears.

It was clear she was being teased, but perhaps earnest Fukami simply didn't have much experience handling that kind of banter.

Given her high adaptability, she'd likely develop the skill to fight back or brush it off before long.

Finally seeming satisfied with their teasing, the four women left me and headed toward the bathroom carrying shampoo and soap.

I followed them since I needed to fill up the tub, waiting until the water reached the perfect temperature before heading back inside.

"Ah, I've already bathed, so please leave the water in the tub as is for today."

I could deal with rearranging the storage tomorrow.

Hearing their acknowledgment, I returned to my room.

Left alone, I suddenly had a thought and generated 'paper' from wood.

I spread it out on my desk and sat down.

Using charcoal and relying on the light of a candle, I tried to sketch out something resembling a map... but I could only manage a drawing that looked like a child's treasure map.

"Well, I mean... knowing the rough relative positions should be enough."

Sea, forest, base camp.

The location where Shinpou went for woodcutting, and the spots where specific gatherables were found.

Sharing this information with the party and updating each other as we go might allow us to explore efficiently.

"Hmm... I should probably ask Shinpou or Shiin for a map."

This kind of task requires the right person for the job.

"Is something wrong?"

I realized only then that Shiin was peering over my shoulder from behind.

"Wha— Oh, it's just you, Shiin. Have you finished your bath already?"

Shiin, bundled in her fluffy clothes, exuded a fresh warmth; her black hair shone with gloss, her skin looked plump and supple, and her cheeks were tinted a light crimson.

"Hey, hey, you've been really focused for quite a while. Everyone else is already out of the bath."

"R-right... So, why are you in my room?"

At my question, Shiin blinked her eyes wide.

"Huh? Didn't Chii tell you? Sorry, I thought you already knew, so I just came in."

"Know what?"

Shiin explained the situation, though she remained a bit embarrassed while doing so.

"Because... uh, about Soosuke's night shift, I mean... the right to sleep with him.

We decided that the four of us would take turns." ...I see.

So that means yesterday was Chiyu's turn, and today is Shion's.

And tomorrow and the day after will probably be Mao and Fubou's.

"You... didn't hate it?"

I shook my head vigorously from side to side.

"Not at all."

"Good thing. Even with 'Basic Cure' restoring you, I heard you ejaculated a lot today, so I thought maybe you wouldn't even react to me anymore."

Come to think of it, starting this morning, I had ejaculated multiple times on each of Chiyu, Mao, and Fubou.

Despite my stamina being fully restored by Chiyu's 'Basic Cure,' that was an astonishing number of ejaculations.

At my reply, Shion’s face showed genuine relief, and she quietly sat down on the edge of my bed.

"It's sad to be left out while everyone else gets a turn... Will you let me have my turn today too?"

Begged with moist eyes, there was no way I could refuse.

I stood up and approached Shion.

When I gently touched her shoulder, Shion cried out "Kyaa!" in an exaggeratedly cute voice and collapsed backward onto the bed.

And then, looking at me with eyes glistening with expectation, she slowly began to lift the hem of her clothing.

"Even outside of cooking, I'd like to put you to good use?"

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Yummy!###

Shouko's exclamation of delight echoed through the dining room.###

"Ah, I'm glad you like it."###

The main dish for dinner was 'Balsamic Glazed Wild Boar Ribs.'###

The meat around the rib cage and several vegetables were well coated with a sauce made of balsamic vinegar and sugar.###

"It's really delicious. This sweet and sour flavor makes me want rice..."###

Being a high school boy, he naturally wanted rice with the meat, but this dish made him feel it even more.###

"Ah, I want rice too. Actually, I'd like some pepper, potato starch, and garlic, but we'll have to look forward to finding those in future explorations."###

"Mm. If Shio-chan's cooking repertoire expands, I'll be happy to explore."###

Chiyu chewed her food and said, completely agreeing with her.###

The more new ingredients they found, the more excited they would be to see her repertoire expand.###

"The salad is also delicious. This is balsamic vinegar too."

「Yeah. That's why it tastes even better now that I've had it plain before.」

Indeed, since salt was the only seasoning we had, we either added it or ate it plain.

But it was still delicious. I've said this several times, but I'm starting to want rice or wheat. It all depends on the mystery blackboard.

We finished our dinner and the women went to take a bath.

From morning to evening, we wore our uniforms, and we changed into wool or linen clothes when we took a bath.

Then we went to sleep, and when we woke up in the morning, we changed back into our uniforms.

「Oh, by the way, Shinpo, how are soap and shampoo different?」

Shinpo answered me, putting a finger to her chin.

She looked like she was thinking about how to explain it.

「Well... There are different types of shampoo, and you can wash your hair with soap, but soap is alkaline, so it's harsh on your hair. If you make shampoo, you should aim for an amino acid-based one and add the moisturizer we got on the island, and you'll end up with something gentle on your hair.」

「Oh, really? I can wash my body with soap for now, but teach me how to make an amino acid-based shampoo.」

「Of course.」

With the 'Sodium Carbonate' and 'Water' I already had, the 'Oil' selected by Shinpo, and the 'Glutamic Acid' extracted from seaweed, I was able to produce an amino acid shampoo.

I also added a moisturizer called 'Squalane', which I apparently could get when shearing sheep.

Shinpo told me about it, and it was added to my Inventory. Sheep… they're really useful, aren't they?

Maybe I should summon her again.

"Anyway, I've completed an amino acid shampoo with plenty of natural moisturizing ingredients."

I put the shampoo into stone containers, preparing one for each of the women.

Next up is the main scented soap.

"Try it out right away and let me know if you have any requests."

I thought everyone would be happy as usual, but an unexpected silence fell.

The four of them stared at the shampoo and soap on the living room table.

"What's wrong? Did you find something strange?"

I was starting to get a bit worried when Chiyu suddenly hugged me from the front.

「So-kun. The affection level of my childhood friend, which was already at the maximum, has just broken through the roof.」

Chiyu then presses her forehead against my chest. She seems to be really happy.

「Oh, you're happy about it? That's good.」

Relieved, I feel Shouko jump onto my back. "Sou-suke, god!"

Her chest presses against my back, reminding me of what happened in the sea.

「Even though I thought I'd managed to repay you a little, you keep giving me more things, so I'll never be able to repay you.」

Shion says, looking troubled, and leans against my left arm.

「I'll definitely repay you, so if you think of anything, Sou-suke, I'd be happy if you told me.」

Deepo, blushing a little, sticks to my right arm.

This is a classic harem situation, but it's making my heart race and I can't relax.

「Min-chan, you're being naughty.」

「Min-riin, not only is she good at studying, but she's also great at charming guys... she's too strong.」

「Hmm, hmm, hmm... I can't believe you're saying that after calling it ‘lewd’ yesterday.」

「Y-You all are so mean...!」

Deep Hoa's face turned red as she teared up.

She was clearly being teased, but the serious Deep Hoa might not have much experience with this kind of banter.

She's adaptable, so she'll probably pick up the skills to retaliate or deflect soon enough.

Eventually, the four of them seemed satisfied and left me, heading to the bath with shampoo and soap.

I needed to fill the tub, so I followed them. Once the water was at a good temperature, I returned inside.

「Ah, I've already taken a bath, so leave the tub as it is today.」

I'll rearrange the storage tomorrow.

As I listened to their responses, I returned to my room.

Alone in my room, I suddenly felt like generating paper from wood. I spread it out on my desk and sat down.

Using charcoal and relying on the light from a candle, I tried to draw something map-like... but all I could manage was a child's treasure map.

「W-Well... It's enough if I know the general layout.」 The sea, the forest, and the base.

The locations where Deep Forest and Logging were headed, and the locations of specific resources.

If I share this information with my teammates and keep updating them, we might be able to explore more efficiently.

「Hmm... I should probably ask Miko or Shion to transcribe this.」 This kind of thing is best left to the right person. 「Is there something wrong?」

Before I knew it, Shion was peeking over my shoulder.

「W-Whoa... Shion? Did you already get out of the bath?」

Steam rose from Shion's fluffy clothes, her black hair shone, her skin was soft, and her cheeks were flushed.

「Hehe, you were really focused. Everyone else has already gotten out.」

「S-So... Why are you in my room?」

My question made Shion blink.

「Huh? Didn't you hear from Miko? Sorry, I thought you already knew and just came in.」 「What are you talking about?」

Despite her embarrassment, Shion explained.

「So... um, it's kind of like... Sōsuke-kun's turn to sleep with us... or rather, have the right to sleep with us. We decided to take turns, four of us.」 ……What?

So yesterday was Senyuu's turn, and today it's Shion's.

And tomorrow and the day after will be Shouko's and Shinpou's turns, respectively. "Did you... not like it?" I shook my head vigorously. "No way."

"Thank goodness. I was worried that since you used so much today, you might not respond to me anymore." She had used a lot today, and I was worried she wouldn't respond to me anymore, even though I said I was recovering with 'Basic Healing'.

Since this morning, I've been with Senyuu, Shouko, and Shinpou multiple times.

Even though Senyuu's 'Basic Healing' restores my stamina, it's still an incredible number of times.

Shion looked relieved and sat down on my bed.

"It would be lonely if I were left out... Can you give it to me today?" Her pleading eyes were moist.

I couldn't refuse her.

I stood up and approached her.

When I touched her shoulder gently, she let out a cute, exaggerated "Kyaa!" and fell onto the bed.

Then, with her eyes full of anticipation, she slowly lifted the hem of her own clothes.

「I hope you'll let me be useful for things other than cooking too?」

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