On November 9 Horai Island time, on <>, Jin's alter ego, Doppelganger, was working on a new facility.

"Brilliant, Mr. Kunlun.

, who is supposed to be a watchdog, is also impressed.

But we haven't yet reached the ether transfer station.

That is an advanced facility.

The one I'm in charge of now is an intermediate facility.

There are five disks in it.

These disks are ...... or so you already know. They are used for simple missions.

At this point, Jin decided to ask what he had suddenly noticed.

"By the way, what do you know about <>......<<>?"

"Well, I think someone did something to it, or something like that.

What the hell is that?

It seems that his judgment and values were very vague or contradictory when he was undergoing the erosion.

"Hmmm... ......, did you get your memory back during that time?"

"Well, I mean, I can read your memories now, too.

"I didn't know that."

Jin imagined that he was able to read them now, probably because the source of the memories, the <>, was gone.

It's a very dangerous situation. The reason why the maintenance of this place has been neglected, and why we have been indifferent to the threat of <>, is all because of that <>.

This can only lead me to believe that the creator of the <> doesn't care if this Ars is destroyed, in fact, he would rather it be destroyed.

"Who the hell is the mastermind behind this? ......"

I tried to disassemble and analyze the <, but I could not obtain any such information.

It is merely a child machine.

However, its super high-definition technology is definitely on the same level or higher than Jin's. "We will not only give in, but we will not give in.

"I will not give in!"

Jin himself is on Horai Island, continuing his analysis to see if he can get anything more out of the <>.

"There is a slight reaction of <> from this one too. ...... is it because it works on free magic element (ether) or ......?"

Then Erza comes in.

"Brother Jin, how are you doing?"

"Oh, Erza. Not much progress. This <> was nothing special either. <.

"So you're working on the free magical element (ether)?"

"Yes. Or perhaps it is easier to control."

"Oh, sure."

Jin guessed that since the magic wave travels through the free magic element (ether), if the <> is used properly, it may be able to go <<<>> into the control core.

"If so, is it more troublesome than <>?"

Jin nodded with a slight furrow of his brow.

"Yes, that's a possibility.

"What are you going to do?"

"That's what I'm trying to figure out."

The shield case is not enough. Jin thought that he needed a more powerful shielding method.

"At least, we have to give it to the old man and Reiko."

Even if all the forces of Horai Island were combined, Reiko would probably be able to handle it.

On the other hand, if Reiko is taken over, there is nothing we can do to stop her.

"Hmmm... ......"

Erza speaks to Jin, who is pondering.

"Oh, um, brother Jin, I'm sorry to interrupt you while you're thinking, but there's something I need to tell you.

"...... what?"

Jin looked at Erza's face.

"Well, Zion and Marikka are in the village of Kaina right now, and Hannah and I are discussing the ."

"What?"

"Zion-san and Marikka-chan know that Jin-brother was worried about it, so they told Hanna-chan about it."

"......"

"Brother Jin?"

Erza wondered at his silence and looked into his face, Jin had a little sad smile on his face.

"Thank goodness for that. It tells me I'm not alone. You could have asked Saki about the ...... magi plastic, too."

Because of his background, Jin tends to go it alone.

He often relies on Reiko and the "Mere Old Man," but that is within the scope of own self.

The half of his life that he could not depend on others had set the direction of his character.

"......Yes. So, when Jin almost forgets, we will remind him."

Erza walked up to Jin and gently cradled his head.

"Thank you, Elsa."

The sound of Erza's heartbeat in Jin's ear was a comforting reminder that he was not alone.

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

An eye for an eye.

What's that?"

Jin, who had Erza sitting next to him, was once again planning his countermeasures.

In the process, a word suddenly came to mind.

"Well, it's a ...... word in the world I was in."

It is used in various situations and with various meanings, but Jin now wanted to say that <> can only be countered by <>.

"In other words, ......"

"If <> is added to metal, wouldn't it increase the shielding effect?"

"...... seems possible."

<>

The old man, who was keeping silent, agreed with the idea.

"There are still plenty of derived from gigantopods. Let's experiment with them."

"Since you're not here, Reiko, I'll help you."

"Yes, please."

Thus, Jin repeated the experiment with Elsa.

As a result, they found that the most effective ratio was 0.000001% by weight added to mithril silver. It was late that night when they found out that the most effective ratio was 0.000001% by weight added to mithril silver.

"One in a hundred million, huh?"

"Given the effectiveness of <>, that's about right."

"I guess."

When I had cured Elsa's hypermagic before, I only needed 1/1,000,000,000,000,000,000,000,000,000,000,000,000 grams of .

In terms of body weight, that's on the order of one hundred billionth of a gram. Jin thought that it might be reasonable ...... to think of it as a thousand times that.

"Let's name it Psi (mental) Mithril ......."

"Let's replace your shield case with this one first."

>

Reiko is on Onogoro Island and cannot be replaced at this time.

"I will make it so that it can be done at any time."

I know the dimensions.

Jin uses <> to make a shield case for Reiko.

"Jin, I've got an idea."

What is it?

You know... ......

"Oh, I see. That's a good idea. I'll give it a try.

Jin and Elsa discussed something and laughed at each other.