We went around the corridors blindly and continued our search until evening, but all the enemies we encountered were undead.

　The total number of undead we encountered was less than thirty, and the profit we made was very small.

　Of course, we didn't find any heirloom swords, and we didn't meet any skeletons with emblematic swords that could be bought for a good price.

　The results were not so great, but I guess it was one of the results of getting used to exploring caves.

Well then, let's get ready to camp.
Yes!　I'm looking forward to seeing those bunks you made.
Oh, you should be. It's practical enough!

　One of the cul-de-sacs, at the end of a slightly wider passage, is where we'll be camping tonight.

　At the end of one of the wider passages is our camping place for the night.

"Look!　Look at the level of reproduction!

　Toya spreads his hands out like a bang, but I, who was relatively free compared to the women, was already watching. I was the one who came up with the idea, and I consulted with him about it.

　It was about 60 centimeters wide and almost two meters long, a little narrow but still large enough to be a bed.

　The frame is made of steel, but not tubular, so it's a bit heavy and inconvenient to carry around, but that's not a problem for us.

　The sleeping area is wrapped with a strip of cloth to ensure a certain degree of flexibility.

　In addition, the backrest angle can be changed from fully flat to 90 degrees, so that it can be used as a comfortable chair when on guard duty.

What do you think?　Pretty good, huh?

　While Toya proudly showed off his work, the women sat on the cot and tried to sleep on it.

It's not bad overall, but it's ......

I think it might be better to use a piece of cloth for the seat ...... and the sleeping area.

Yeah. A little unreliable?　It looks like a deck chair you'd find by the pool, but you're not going to use it wet, so you don't need this gap.

"Oh, yeah. ...... Oh, yeah. ......

It would be better if the height of each leg could be adjusted. If the ground is uneven, it will be a bit uneven.

　As he said this, Natsuki moved some of the bunks.

　Indeed, it is a little rickety. If the ground is soft, there won't be much of a problem, but if it's rocky, like here, you won't be able to adjust it, and it might bother you while you're sleeping.

Ugh, ......, I'll do my best.

　The smug look on his face at first was gone, and he looked down with a sigh at the relentless criticism.

　I'm not sure if it's a good idea, but it's a good idea.

I'm sure it's very good, of course.　It's just that I told you what I want you to improve.

Yes, yes. It's a world of difference from sleeping on the ground, I'm sure!

The structure is not bad, so if we can improve it, we might be able to market it.

You're sure?　Yeah, I'll try my best.

　I'll try my best." Toya recovered from Haruka and the others' congratulations - although the ending of the sentence was too subtle to be called congratulations - and regained his cheerful expression.

　No, well, I'm also involved in the development, so I'm responsible for that, too.

　I've been using it for a while and it seems to be fine. ...... Well, product development is a process of actual use and improvement.

　No problem!　Let's try again next time!

But it's nice not to get cold from the ground, really. There are no insulating sheets for camping.

No. Adventurers just put down a cloak or some waterproof cloth.

What about the tent?　Should we spread it out?　I don't think we'll have to worry about dew.

Why not?　If it's cold, we could pitch a tent and heat the inside with Worms. ......

It's not that cold.

　The temperature in this tunnel is less than 20 degrees ......15 degrees Celsius, I think.

　It's a good idea to have a good idea of what you're going to be doing and how you're going to do it.

　Even so, with two blankets per person and the hooded cloak we bought earlier, we should be able to sleep just fine.

Then we need to prepare for .......

　Yuki looked around and nodded her head.

Is that it?

We'll just take the food out of the magic bag. ...... Do you want to make some charcoal and have some tea?

That's the only thing we have to do, isn't it? After tea and food, let's take turns sleeping and get ready for tomorrow. To be honest, it's too early to go to bed.

　Considering that it was still early in the evening, it was very early to go to bed, but considering that we would be sleeping in two shifts, it would be difficult for each of us to get enough sleep if we didn't start sleeping around this time.

　If you sleep six hours in two shifts, you need twelve hours.

　This may seem inefficient, but considering safety and continuity, it is unavoidable.

　For a short period of time, it may be possible to reduce the number of hours of sleep, but it will be useless if you become distracted and get injured.

Don't forget to use the sanctuary to keep the bugs away. You never know what's out there.

Thank you. I don't like the idea of bugs falling on me while I'm sleeping.

...... I wonder if that's the point of the tent in the mine?

　I'm not sure if Yuki's words brought this to mind, but Haruka said it with a serious expression on her face.

　There is no physical damage because there is no bite, but the psychological damage from the insect falling on your face is a critical hit.

　If a bug accidentally enters your mouth, it is lethal. Mentally.



"Don't worry. I can play a bug with Sanctuary.

I'm really counting on you, okay?　If a bug fell on me, I wouldn't be able to control myself.

　What do you mean by that?
　I don't really want to know.


　Fortunately...

　Fortunately, I didn't find out anything about Haruka's inability to control herself until the next morning.

　It is natural that I had set up a sanctuary, but there was no attack by demons, so I was not woken up in the middle of the day.

　I had a quick breakfast, didn't bother to boil any tea, drank the stock in my magic bag, and left early.

No change in policy for today, right?

Yes. Yuki will have a hard time.

No, don't worry. I'm getting used to it. I think I can go a little faster than yesterday.　If you walk at a normal speed, the mapping won't be able to keep up.

　Just as Yuki had said, his hand movements were much smoother than when he first started drawing the map.

　The map he showed us was also quite good.

　The map he showed us was pretty good, though I wasn't sure if it was correct or not, but it was useful enough to keep us from getting lost, so there was no problem.

"However, even if it's not complicated, if there are so many side streets, it might be better to mark them with .......

"Oh, sure. It's confusing to know what road you're on, isn't it?

　I'm always walking in new places, but when I'm going to dive again, I'm going to have problems figuring out where I am when I compare it to the map because the tunnels have no distinctive features.

So, let's mark the wall. Let's just mark the wall with ...... '1A-5E'.

　Yuki takes out a wax stone from her magic bag and writes "1A-5E" in large letters on the wall.

　I thought that chalk would be easier to use than wax stone, but unfortunately they didn't sell it.

　Limestone seems to be available, and if you use it frequently, you might as well make your own.

What's the meaning of that symbol?

"It's just an idea, but the first one is one layer--I don't know if it's easy to separate the layers, but it's there. A is the first layer of this grid. The next one, 5, is the fifth from the top of the paper, and E is the fifth of the eight horizontal sections. It's the same as the one on maps sold in Japan.

　For a spur-of-the-moment idea, you have thought out the rules well.

　The number of horizontal divisions is smaller than that of vertical ones, probably because the paper used is long and narrow.

　This makes it easier to keep track of the locations and to compare the wall markings with the map, rather than having to write the numbers in order.

　Furthermore, since the map also shows which wall has been marked, there is much less risk of getting lost.

It's quite well thought out, isn't it?

It's just an imitation of a standard map.

It's good, right?　I wish I had a spray can of paint so the markings would be more legible, but ...... is the way to go.

Paint and a brush would be fine, though, so long as you keep it in your magic bag and don't worry about it spilling.

Paint. I haven't bought that yet. I'll get some next time.

　I wonder if they sell paint that can be used on the walls of the cave.

　Fortunately, the walls here don't seep water, but I still think it would be difficult to write clearly on the walls unless we use oil-based paint with organic solvents.

Oh!
"What?

　Suddenly, Yuki shouted, and we all turned to look at her, thinking, "Wow, an attack! We all turned around at the same time.

　I'm not sure what to do, but I'm sure I'll be able to do it.

I'm sorry. It's not a big deal, but I saw that you added the [Mapping] skill to your status, so I just went ahead and ......

"Don't scare me. I thought you were going to backfire.

　I'm sure you'll be able to understand that I'm not the only one who has a problem with this.

　I'm not sure what to do, but I'm going to try.

　I'm not sure what to make of this, but I think it's a good idea.

But [mapping]. Is it because of that skill that your mapping has gotten faster?

"Probably. In the current situation, it's a very useful skill!

　Yuki said, smiling happily.


　And just as he said, the [Mapping] skill was quite effective, and as time went by, Yuki's mapping speed gradually increased.