May 14.

"Well, what should we do today?

Jin was discussing this with Elsa over breakfast in the guest room.

"I have an idea.

"What is it?"

"I was thinking of inviting Licia-san to be a short-term instructor for the medical team."

Oh, Licia?

Licia is also an expert in healing magic.

Now that she has become a homunculus, she is even more skilled.

Teaching at as Erza's assistant would certainly be more effective, Jin thought.

"Well then, let's ask her about her availability later..."

"Hmmm. What about Jin's plans for ......?"

"Well, ....... I'm going to go to the Go Institute for the day and work on my <>.

"Is that even possible, for example, when there are already for healing magic?"

Erza asked, wondering if there was any point in going to the trouble of developing something with inferior performance when there were already magic tools in existence.

"There is," she said.

"What?"

The magic it consumes and its range.

"Oh, ......"

In the past, during the <> incident, we irradiated healing magic using <>, but that was only possible with the tremendous output of the <> and <>.

In addition, the irradiation is not selectable.

In other words, when you use healing magic in battle, you heal not only your friend but also your enemy at the same time.

Considering those two things, it makes sense, doesn't it?"

"...... sure."

This explanation made sense to Elsa.

"And then there is the Duchy of Jagus, that I am interested in.

The old man should be looking into that, so I will go back to Horai Island soon and ask him about it, Jin thought.

"So, what is Erza going to do today?"

"To finish up what we did yesterday, or rather, what's left to be done."

"I see.

Jin said, "Then let's go back to Horaijima after we finish our business and have lunch today.

"Yes, I agree."

The two of them stayed longer than expected this time.

"I'm also interested in the construction of the circuit track in Franz's kingdom and the memorial hall in Shoro's kingdom," said Jin.

Jin said.

"I'm sure the old man is watching over there and will contact you if anything happens, but ......"

"That's true, but I'm curious about something.

After this conversation, Jin went to the and Erza went to the to finish up their respective unfinished business.

They are accompanied by Reiko and Hope, respectively.

* * * * * * * * * * * *

"Good morning, Miss Elsa. We have been expecting you.

When Elsa went to the medical team, she was greeted by Mei, Shai, and Joey.

"Good morning. How are you getting used to ......?"

"Yes, I'm used to it!"

The members in the back nodded their heads in agreement. But everyone's eyes are red.

It seems that they have been using <3D human models> one after another.

"So, any questions?"

Flinching a little at their enthusiasm, Erza decided to take questions first to make sure nothing was left undone.

"Uh, yes. ...... Well, it's not so much a question as a wish, but I'd like to get one more of these <3D human models>, preferably two, but... ......"

The last part was a little less vigorous, but the request was well understood.

I'm thinking about it. As soon as I get back to my base, I'll send them to you with the updated data."

Elsa told us that she had found a few small improvements in this demonstration and that she would fix them afterwards.

"Thank you very much!"

Hearing this, the questioner, Pollyanna Pendleton, and the other members of the <> looked at each other brightly.

* * * * * *

Meanwhile, Jin.

"I'm going to leave at noon today.

I told everyone in the <>,

"Well, that's too bad."

"Yes, indeed. I was having a lot of fun working with you and we were making a lot of progress.

Eira and Groma regretted it.

But Cachéa said,

"Then let's talk until noon!

Cachéa was always positive.

Of course, what Cachier meant by "talk" was not mere small talk, but .......

"Jin-san, this combination here, wouldn't it be more efficient?

about the <<3D magic circle>,

"Jin, the flying unit, if we design it right, I think it can fit directly on the golem's back!

Eira was in high spirits, and Groma was Groma,

"I think this can reach farther if we use lenses.

He had even started to consider the possibility of replacing the pinhole with a lens.

The one that seemed to need the most advice was <,

"You have to go through ...... a lot of trial and error to get the lens right.

Jin is a complete amateur when it comes to optics, so he can't offer any useful advice.

"I'll give it a try when I get permission.

Gloma Tolley is also very enthusiastic.

At this rate, Jin felt that the three of them might proceed with their research in three different ways: Gromma for the projection, Cachier for the 3D magic circle, and Eira for the beetle-like flying unit.

Then, near noon.

"Jin-san, I was going to ask you about ......."

Katya cut him off.

"Yes?"

"Well, let's see... You said that a projected magic circle cannot be triggered without a trigger, but is it the same for a magic circle drawn on a piece of paper?

This question may arise because Katya herself cannot use magic.

"Also, for example, if a magic circle that is being activated is projected onto a , will the magic be activated on that screen?"

"...... That's what you're asking."

Jin decided to explain in turn.

"Generally speaking, a magic circle can only be activated if magic power flows through it. Is this correct?"

"Yes. ...... In other words, ordinary magic circle is not activated just by projecting it, right?"

"That's what I mean."

Otherwise, just copying the magic circle would trigger it. That would be extremely dangerous.

"If a person has magic power, the magic circle will be activated by channeling the magic power to activate it after writing it down."

However, this is not the case with a magic circle that has been adjusted so that anyone can use it.

The same is true of the <3D magic circle> that I am planning to use for a magic tool.

"So, to channel the magic, we need to use ......."

Trigger, right?

"Yes, yes."

Jin is pleased to see that Katya is also becoming more familiar with the theory. <.

Eira and Groma are also curious to see how this exchange will end.

"Trigger's magic circle is very special.

Jin continues his explanation.

"What's special about it is ......."

"Oh, because it activates on its own, right?"

Katya answered before Jin could explain.

"That's right. Just by drawing it, it starts moving, that's the trigger magic circle. I explained that part to you before, didn't I?"

"Yes.

"And there's something I didn't explain. That's the answer.

And what's that?

It doesn't work.

What?

"No, <> is an exaggeration. <

"Oh, so that's what you're saying. ......"

"It works at the level of <>, so it has no physical power."

It means that it does not exert any external, visible magical or physical effect.

"That's why this magic circle is harmless whether it is written on paper or projected as an image.

In other words, it doesn't matter what medium it is drawn on, since no magic circle is activated by itself, and the only trigger magic circle that is activated is harmless.

"Very well, I understand."

* * *

And the morning was over.

"Jin, thanks for all your advice!

"Mr. Jin, thank you very much for your help!

"Mr. Jin, we'll take it from here!"

"Jin-san, next time you come, I will show you the results!

< thanked each other and expressed their hopes for the future.

"It was a pleasure, thank you very much. I'll be back when I'm done.

Jin also thanked them.

The sky and the sea were clear and blue in the early summer.