Ore Dake Kaereru Kurasu Teni

"There's no place for speculation, though. Anyway, let's not get too excited."

"Grasp -"

"They found it handy, but it turned out to be a hassle."

"I know there was a time gate, but did we make this for the future to pick up the feather bridge?

Uh... I see everyone in my class, including me, has joined forces to build an institution like this... and it still doesn't come true. Hundreds of years pass.

Or so I can imagine.

... Happiness, you say it's impossible to be reunited with you?

"We have quite a bit of money, don't we? I'm still willing to do a lot for my country after this, and collecting that money is going to do something this big."

"No, I don't think so"

So Satomi, getting back on track, raised her hand and ran out of words.

"I agree. At least the materials found didn't say anything about helping Hanabashi."

Kuroboto agrees with Satomi.

"I know the rationale, but then what's this building for?

"It's..."

"It happens in the future... to crush the crimes committed by the Japanese and the causes of class shifts."

"... what?

All the people on the spot gave a stark look.

Crush the cause of class metastasis......

"Huh? 'Cause you decided that the class shift didn't have a feather bridge, right?

"But it looks like it's happening in the future."

"Why not?

"That's... right. It's just a past class shift that you didn't have, right, Hanabashi? Doesn't that mean we haven't been able to eradicate the underlying causes?

Oh no... I also had to end up with most of the people on the spot.

"In short, Hanabashi changed the past and changed the present. But the future is about to change now. You mean at least you tried to do it, right?

I don't know if I succeeded or failed.

But the people of the future should have built this building in an effort to change the past.

"It's a little different than the information we asked for, but there was a story about you in the description, Hanabashi. A brave man who played a part in temporarily crushing the cause of the class metastasis…"

"Temporarily?

"Yes, I just saw it in the control room. I could see that this facility had been created to eliminate the Japanese people who liked it."

It was on the image in the terminal.

Sounds like an image.

Maybe it was about me.

I see, when someone like Ono shows up in the future.

If you think about it, it's not an impossible story because there's such a strange phenomenon as a cross-world summons from the beginning.

"What's causing the summons? If you think about it, that's the most important part."

"There's also been a researcher's paper or something. I'm talking about decoding that paper and it has something to do with the activation phenomenon..."

And that's where Kuroboto sees Satomi.

"It's true that the cause of class metastasis... is what Lucia used to say about the highly active 'more efficient, it was studied to win the fight'. It's no wonder that worm poisons, robberies, people in this world manipulated whomever they wanted to perceive as a threat and try to fulfill their wishes."

"Mr. Floating River just distorted it, and the essence is separate. Why didn't Hanabashi destroy you?

"Like you didn't notice?

"You didn't miss the feather bridge that far."

"I didn't... No, maybe I couldn't. Or yes... maybe there will be such a fight in the future. You say history repeats itself, right? Then Hanabashi-kun will break it again."

Happiness turned to the past.

As a result, I and everyone survived and there were no deaths of many victims.

I changed the past and now I do.

But I can't change the phenomenon that happens in the future.

No, something happened in the future at a newly changed time.

"Thank you. In the future, research has been done to remove the twisted causes, and it seems that the events you did at Hanabashi remain legendary."

"So you want me to learn and fly into the past and change history? Aren't you an idiot? Work on more fundamental issues."

"If a second floating river were born in the future, I wouldn't be able to deal with it."

Sure...... so hard to defeat a threatening being from the front.

That would be the only way back to the past to alter the weak state, or not to.

If there has been a precedent in the past, it is not surprising that we have taken such a means.

"It would be an outrageous choice, but you should win a dispute and not subpoena when there are few Japanese. My wish will come true."

"I don't know that much. I just don't know what the reason is, but I guess people have come to the conclusion that they're going to have to spend some time in the future."

Kuroboto holds Satomi's hand for some reason in that place.

Do you mean resonate?

"The notebooks that Mr. Feishan and the others found later. This notebook said something like the owner's notebook. There was something in the gate near the end, it seems."

There's something in the gate...

I think it's an uncertain expression.

I can't imagine what it is.

"Didn't I summon a hell of a monster or something to fail? Like it's connected to a different space."

"Perhaps you are. Either way, the experiment failed and it flew into the world of the past."

"Then it would have been dangerous right after you flew in."

"Speaking of which... it seems that materials were in the library of the country that other worlds crusaded the Demon King..."

Which means the demon king who came out of here might be something of it.

At the time, people couldn't get inside the black mist wall, and there's nothing inside of it, so I guess it's normal to think so.

And if that story was connected, it's likely he came out of this device.

Everyone here shifts their gaze toward the time gate and thoughtful objects.

It's strange because you looked like a clue until just before, but now you look like a creepy object.

"Later... the material said that time and space resistance was at the research stage."

"Space-time resistance? What do you mean?

"I don't know if Hanabashi or Funagawa, like you, have changed if they are intolerant of changing time. That's how close we are now. If you don't resonate with Mr. Floating River, your perception will change.

Right.

Even if we change the past, if we can't recognize what we've changed, we're in trouble.

Researchers would also study space-time resistance, wouldn't they?

"Hehe... that's a hassle"

"Resistance to changing the past is essential to changing the world of convenience."

"So what are we gonna do?

Hazawa-kun asks Kuroboto.

It's adaptable to the environment for a percentage of the time, but the creative idea isn't a field, is it?

In that regard, Mr. Kuroboto is more adaptable to different worlds.

"Hmmm...... that's absurd. I need to learn more too."

"That's right - let's watch comics, games and movies together!

... class members and classmates are talking amicably.

I'm sure you wouldn't have seen a sight like this without a class shift.

"If I can fix it, I can only say. I just... can't recommend it. Looks like it's turning out this way because you failed."

"It's just one of those research materials... that's fucking cumbersome"

"I don't think I'm going to be able to exceed or alter time without resonating with Mr. Floating River in the first place."

Maoshin-kun is also scratching his head when he listens to Kuroboto.

I found something that might be handy...

"… I noticed a fundamental problem"

Hazawa-kun answers with an eyebrow.

"Assuming we can fix this, what about energy?

"Ah..."

Speaking of which, I was just saying that I use highly active energy.

I can't get ready right now because we're talking about that big activity every few decades.

Besides, there doesn't seem to be any energy stocks here.

... you're just gonna have a lot of problems.

"Oh, you're right."

"If Hazawa makes enormous energy-efficient objects..."

"I can't do anything! I'm a robot from the future!

"Nyer."

"One Chan because Michele is here"

"Hagimon"

"You're kidding me!

... Everyone in my class is kidding Hazawa-kun.

"Right. The fundamental problem is there too, isn't it? Considering how the massive facility was operating so far, the answer will come to what nature and that hole are. Instead, if you're suggesting a solution that was being done in parallel with changing the past, it's one stone and two birds."

Nodding as Mr. Kuroboto was convinced.

"That hole must have been dug to provide energy to keep the time gate running. Perhaps you used the most energetic energy using your example, Hanabashi."

The great activity that has occurred in our time has already passed.

What happens next is decades as early as possible, and more than a hundred years ahead of us if it's long.

...... not totally stuck.

"You had a harvest in the meantime... I'm going to do this much research and go home once, okay?

"OK"

"Sassy."

"It's creepy here, and if I can get home soon, I'm not complaining."

All right, everyone agrees.

"We'll come back when we can find out what we want. Mr. Feiyama, can you ask for a transfer?

"Yes."

I activated the transfer to send everyone to the castle rally point.

That's how we returned to Castle Town after completing our investigation.