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Takahashi Yu spoke to Aleister through Matou Sakura.

"Oh? So, as someone from outside this realm, what kind of cooperation do you want to discuss with me? And what are your bargaining chips?"

Aleister asked calmly.

"It's naturally a collaboration that Chairman Aleister can't refuse. As for the terms, let me think about it..."

In the real world, Takahashi Yu smiled slightly and had Matou Sakura speak for him.

"How about it, it brings you endless possibilities?"

"Infinite possibilities..."

Aleister seemed to be silent for a moment, looking at Matou Sakura in front of him.

"Your abilities seem to be even greater than I imagined; this is indeed a collaboration I cannot refuse."

An infinite world represents infinite possibilities, and the fact that Takahashi Yu was able to bring Matou Sakura to the world of A Certain Magical Index already proves that he possesses the ability to travel between worlds.

Being able to enter the world of A Certain Magical Index means that one also possesses the ability to travel to other worlds.

Chapter 81: Aleister's Probe, The First Dead Clone

An infinite world represents infinite possibilities, and the fact that Takahashi Yu was able to bring Matou Sakura to the world of A Certain Magical Index already proves that he possesses the ability to travel between worlds.

Being able to enter the world of A Certain Magical Index means that one also possesses the ability to travel to other worlds, so Takahashi Yu is qualified to say such a thing.

Similarly, Aleister, who is better able to understand the meaning of infinite possibilities, said that this was a condition he could not refuse.

The infinite possibilities mean that it's not impossible for the other party to suddenly possess the ability to destroy the demon god.

Given such conditions, not to mention Aleister, even most people in the world, including demons, would not choose to refuse.

The only question is probably what method the other party will choose to achieve their conditions.

"I can make a promise: if I ever gain the ability to destroy the demon god of this world, I will do my best to help you achieve your goal of destroying the demon god, while ensuring my own safety."

All that could be heard was Takahashi Yu recounting what had happened.

Strictly speaking, Takahashi Yu could be considered to have gotten something for nothing at this point.

To secure cooperation through a promise, thereby gaining benefits.

Did he lose anything? No, because what Takahashi Yu said was that he would only act to help Aleister eliminate the demons after he had the ability to destroy the demons in this world, while ensuring his own safety.

In other words, before she has the ability or can guarantee her own safety, Takahashi Yu can completely disregard this promise, which is essentially getting a free benefit.

Meanwhile, in a windowless building within Academy City, Aleister remained unfazed as he listened to Matou Sakura repeat Takahashi Yu's words.

"It seems you know me quite well."

"So, what do I need to give in return?"

Aresta asked

"I don't need you. Just do your best to help me within your capabilities."

According to Takahashi Yu's narration, Matou Sakura made a very 'simple' request.

After the words were spoken, the room fell silent, with only the faint sound of the machine running echoing in the background.

After a long while, Aleister slowly spoke.

"I agreed to the so-called cooperation."

"But before that, I need you to prove whether you are truly qualified."

He acknowledged the outcome of the conversation, but then abruptly changed the subject.

In an instant, a terrifying torrent of magic surged forth, engulfing everything, before returning to silence a moment later.

At this moment, there was no one else in the room except Aleister.

Suddenly, a golden figure appeared beside Aleister.

"Aren't you afraid of missing this opportunity if you just kill her like this?"

Aiwass, a holy angel of the pure physical world, once passed on knowledge to Aleister, a terrifying being whose status is almost comparable to that of a demon god.

Without any clear stance, the reason they approached Aleister was purely because they were drawn in by Aleister's delusions.

At that moment, He revealed the truth about Aleister's actions just moments before.

Aleister attacked Matou Sakura and killed her in an instant.

Under absolute overwhelming power, there was no room for struggle, and they were instantly sent back to the system's inventory, waiting to be resurrected.

"You launched an attack without warning, are you... angry?"

At this moment, Aiwass's tone carried a hint of novelty, clearly indicating that he had not expected Aleister to have the courage to attack directly at that moment.

In Aiwass's logic, this is undoubtedly a very irrational behavior.

"I will not let these emotions affect my judgment."

Aleister shook his head and said calmly.

"I only meant literally that I hoped the other party could prove their abilities. Otherwise, even if they came from outside the realm, I couldn't put aside other plans for a vague promise."

"If I can prove myself, then I will have no more complaints about this collaboration."

The conditions just proposed by the other party are to provide the greatest assistance within our capabilities. In other words, if we really want to fulfill those conditions, then we must give way to whatever the other party asks, even if it is their original plan.

Despite being a man who believes that "everything will inevitably fail in the end," Aleister is not lacking in courage, but even he must proceed with caution when it comes to exchanging all his current resources and well-prepared plans for a promise.

That's why he chose to test the waters and launched an attack on the white-haired girl.

He didn't hold back at all in that attack; it was almost his full power under normal circumstances. Although the range was limited to a small space, if it had been released and no one had stopped him, destroying the world would not have been difficult.

How could the clone Matou Sakura possibly withstand such an attack?

However, Aleister could still tell that the white-haired girl, though seemingly without any problems, was probably just a tool for him to communicate. If she were in the same world as him, he was confident he could influence her, but if they weren't, that was another matter.

But in any case, as long as the other party can come to me again, it means one thing: that I and even those demon gods may be helpless against the other party.

At that time, cooperation will be a natural thing.

"Hehe, I hope so. If other worlds really exist, that would be what I crave most."

Aiwass's figure slowly disappeared. Just as He said, He craved all unknown knowledge and everything that could make Him happy. If other worlds truly existed, they must be the ultimate unknown that He craved.

......

In the real world, within the manor.

"Ding, system notification: The clone Matou Sakura has died."

Seeing the clone panel suddenly go black and hearing the system notification in his ear, Takahashi Yu raised an eyebrow.

"Even after confirming they came from another world, did they still choose to take action in the end?"

Fortunately, his original form is quite cautious; he would never easily venture into a dangerous world like A Certain Magical Index without being certain of his safety.

Sakura Matou, who had fused with the Black Grail, was not the strongest among the clones, but she was still quite powerful. However, even so, she was instantly killed by Aleister's probing attack.

It's easy to imagine that even if Takahashi Yu's true form went there, the outcome wouldn't be much better.

Given the nature of the A Certain Magical Index world, to gain any advantage, you can't force things; you have to use strategy. Otherwise, if it comes down to a battle of brute force...

Even disregarding the Demon God, take the Right Flame from the original work as an example. He always carries around a giant chicken claw and shouts that his strength is far superior to the Demon God's. He acts incredibly strong at first, but then he loses all his prestige. Any one of Aleister's two billion possibilities could easily defeat him.

Even with such a starting strength of a star, it wouldn't be considered anything special in the later stages of A Certain Magical Index, let alone Takahashi Yu at this point.

Right now, Takahashi Yu needs to be patient.

Since Aleister has tested him, he doesn't need to rush to send his clone back. He can let it sit for a few days first.

Just as Ryougi Shiki recovered from her injuries and returned to the One-Punch Man world to continue her adventures, he could go and deal with the House of Evolution first.

Chapter 82: Hayasaka Ai and Shinomiya Kaguya's Reunion

Although he could immediately send another clone back to the world of A Certain Magical Index, since Takahashi Yu has more than one clone under his command, since Aleister has chosen to test him, Takahashi Yu naturally doesn't need to be in such a hurry and can let the other party wait for a few days before making a move.

Black Sakura's resurrection time is the same as Kira Yoshikage's resurrection time, which is seven days. Just in time, Ryougi Shiki has recovered from her injuries and returned to the One-Punch Man world.

During these seven days, Takahashi Yu can first have Ryougi Shiki deal with the House of Evolution. The leader of the House of Evolution, Dr. Genus, is also a high-level talent in the One-Punch Man world, and he belongs to the field of biology.

The reason it was left untouched before was twofold: firstly, Ryougi Shiki was recovering from her injuries, and the other clones under Takahashi Yu had their own missions; secondly, it was to wait for Ryougi Shiki to recover before personally destroying the House of Evolution. This achievement would also make it easier for Ryougi Shiki to complete her missions, thereby maximizing the value of the House of Evolution.

Takahashi Yu currently possesses many containment objects, such as super dangerous species and symbiote venom, which belong to the biological field. Dr. Kusno's research in these fields is not very in-depth. If Dr. Genus can be recruited, the containment facility's gaps in this area can be filled, and the value of those imprisoned containment objects can be further realized.

However, these are all things that will happen in the next few days.

It's getting late. Takahashi Yu had just finished negotiating with Aleister remotely in the A Certain Magical Index world using a clone, and he was feeling a bit tired, so he decided to get some rest.

Despite having synchronized Borsalino's role-playing card, Takahashi Yu's physique meant that she could go without sleep for days and nights without any problem, but she still had no intention of changing her daily routine.

Adequate rest can make him more energetic, and sleep itself is not just about rest, but also about enjoyment.

Takahashi Yu is not ready to give up this enjoyment yet, at least not now.

......

Meanwhile, in the real world, outside a mansion...

Hayasaka Ai stood outside the gate in front of the courtyard, looking up at the familiar building in front of her.

After receiving permission from the Anomalous Containment Facility to leave at night, Hayasaka Ai couldn't wait to come here as soon as it got dark.

Several days ago, I left this place, and several days later, when I returned, everything was different from before.

Of course, this is from her own perspective. As for Lady Kaguya, she probably hasn't noticed anything unusual even now.

After all, Hayasaka Ai, who had spent some time in the containment facility, was very familiar with its methods.

Let alone Kaguya Shinomiya, if Ai Hayasaka hadn't personally experienced everything, she probably wouldn't have imagined that the Shinomiya Group, a top-tier Japanese conglomerate, would be taken over by someone overnight.

That's right, at this moment, Hayasaka Ai was standing in front of the gate of Shinomiya Kaguya's mansion.

Looking at the familiar building in front of her, Hayasaka Ai took out the access card she had kept and opened the door.

Passing through the gate and entering the building, the mansion's corridors were deserted, with only a few dim lights on.

That's normal. In the past, apart from Hayasaka Ai and Shinomiya Kaguya, all the other servants would have already left by this time. But after Hayasaka Ai left, Shinomiya Kaguya would probably be the only one in the huge mansion at this time.