A Scientific Urban Detective

After removing the silver needles, completing his self-treatment, Aureolus still showed no intention of fighting. Instead, he calmly turned around, exposing his back to Stiyl and Touma, gesturing for them to follow, and then strode away.

Stiyl and Touma exchanged glances, hesitating for a moment. Although they couldn't quite grasp his intentions, they ultimately decided to follow.

Because they were on the "backside" of the world, the spatial structure here was completely beyond the normal scope of the Misawa cram school.

Even the experienced Stiyl didn't know where they had moved to. Aureolus finally stopped in front of an empty classroom door.

Snap!

He snapped his fingers, and a huge "amber" suddenly appeared in the previously empty classroom.

Within this "amber," which was taller than a person, was a girl wearing a shrine maiden outfit – Index Librorum Prohibitorum.

"What have you done to her!" Touma roared, immediately trying to rush into the classroom.

"Please do not approach," a clear, ethereal female voice echoed from every corner of the classroom, stopping Touma's actions. "I have seen your ability, Touma. So please, do not come near me."

"Eh?" Touma stood frozen in place.

The girl in the "amber" opened her eyes, looking over with a bright, spirited gaze.

This scene was clearly beyond Touma's expectations… Although his brain couldn't comprehend it at the moment, he somewhat realized one thing – this girl didn't seem to be simply imprisoned.

"As you can see," Aureolus said, snapping his fingers again.

The "amber" sealing the girl expanded and grew larger, quickly filling the entire classroom.

Thus, Index Librorum Prohibitorum, who was inside, could move freely within the classroom. Although the area was still limited, it was clearly different from the originally expected "imprisonment."

"What's going on? What are you trying to explain?" Stiyl finally couldn't help but ask.

"I'll come see you later," Aureolus said to Index Librorum Prohibitorum, then sealed the classroom.

Next, he opened another classroom next door.

Repeating the same operation, this empty classroom also contained a large "amber."

However, this "amber" only sealed "half a person."

Yes, "half a person."

To describe it accurately, it was "a human body in the process of turning into sand."

The right half of this man's body, which was reaching forward, had already turned into a cloud of fine sand, scattering in the air – it was in this process that he was sealed in the "amber."

At first glance, probably no one would think this was a "person," but rather some kind of special effect or artwork.

Thanks to this "amber," which sealed this person inside in time, his life was barely saved.

"This is…" Touma swallowed hard, learning from his previous mistake and not rushing to shout.

"A vampire," Aureolus said. "This is a vampire, and also the target I want to acquire."

As he spoke, Aureolus grew long, slender nails: "This is the result of referencing this vampire."

Aureolus's collaboration with the "Deep Blood" Index Librorum Prohibitorum was aimed at using her as bait to capture vampires.

"This is a vampire?" Stiyl looked at the half-human body in the classroom with great suspicion.

To be honest, it was quite disappointing – because it looked too weak.

"What do you think vampires and 'Deep Blood' are?" Aureolus sneered. "Naturally powerful and invincible beings? Wrong!"

"Vampires are like this," Aureolus pointed to the remains in the classroom. "Apart from being instantly killed by Deep Blood, they are almost no different from ordinary people."

"As for Deep Blood… her blood can attract vampires and kill them," Aureolus's face was full of sarcasm. "She is a natural vampire trap. As long as she stands there, vampires will flock to her like moths to a flame, and then turn to ashes… that's all."

So, vampires and Deep Blood are nothing special – Aureolus concluded.

According to Aureolus's explanation, the only purpose for wanting to capture and study this legendary creature, the vampire, was to "save Index Librorum Prohibitorum."

Because, according to legend, vampires have infinite lifespans. As long as they are not killed, they can live forever.

Infinite lifespan means infinite memory and information. How do vampires store and manage their memories?

Aureolus was inspired by this – if Index Librorum Prohibitorum was turned into a vampire, the shackles on her memory could be removed.

Even if the brain only has 15% memory space left, if she becomes a vampire, there should be a way to use this space to store more content without having to periodically delete memories, right?

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Aureolus's plan went smoothly. He did capture a vampire and sealed it before it was killed by "Deep Blood," which was considered to have obtained a research sample.

After listening to his explanation, Stiyl and Touma both had complicated expressions.

Recalling the scene where Touma and Misaka Mikoto refuted the "memory storage theory" not long ago, they inexplicably felt that the Aureolus in front of them was as stupid as they were back then.

No, it should be said that this guy is even stupider, because he actually put his plan into action and even achieved some results!

"Then," Stiyl asked, "you chose to turn yourself into a vampire first?"

"Of course, I can't use Index Librorum Prohibitorum as a test subject, can I?" Aureolus said. "Moreover, becoming a vampire has indeed compensated for my shortcomings to some extent – as long as I drink a small amount of blood, I can calm down, which is better than acupuncture."

The facts that just happened have proven this.

Stiyl sighed in his heart – the "secret book" that Touma told them had failed.

It seems that Touma didn't discover the fact that this guy had become a vampire either, right?

"How is it?" Aureolus turned to look at the two. "Stiyl, do you think I can save Index Librorum Prohibitorum now?"

"Of course not, you idiot," Stiyl said without any politeness.

"Hey, you don't have to be so blunt," Touma felt a little unbearable.

"For hopeless fools, only when things are said clearly enough can they understand," Stiyl said. "Listen carefully, Aureolus, you are destined to not be able to save Index Librorum Prohibitorum!"

"Oh, why?" Aureolus's expression remained unchanged, as if he didn't notice the other party's mockery.

Stiyl said with infinite sarcasm: "Because, no matter who it is, they are destined to not be able to save someone who has already been saved."