The next morning, Haibara Ai received a call from Fujimaru Ritsuka, who invited her to her home and claimed to give her a surprise.

surprise?

What surprise?

Anyway, with such doubts and curiosity, Haibara Ai came to Fujimaru Ritsuka's villa as promised and rang the doorbell.

"coming!"

After a while, the door opened, and Fujimaru Ritsuka greeted her with a smile:

"Good morning, Xiao Ai!"

"Sister Ritsuka, good morning."

"Okay, come in first!"

After a few pleasantries, Fujimaru Ritsuka took Haibara Ai into the house. Haihara Ai followed Fujimaru Ritsuka and asked curiously:

"Sister Ritsuka, what exactly is the 'surprise' you mentioned on the phone?"

Regarding Haibara Ai's doubts, Fujimaru Ritsuka did not answer immediately, but smiled mysteriously:

"You will know if you come with me."

So, Haibara Ai followed Fujimaru Ritsuka down the stairs toward the basement.

Haibara Ai looked at everything around her curiously. Since the entire basement was occupied by the girl named Da Vinci by Fujimaru Ritsuka and the others, she had never come down to take a look.

In fact, not only was she curious about the laboratory, she was also very curious about the girl named Da Vinci.

Because she looks about the age of a junior high school student, what is surprising is that both Fujimaru Ritsuka and Mashu seem to respect and trust her very much. Even when discussing issues, the other party is often more like a decision-maker.

Although she doesn't know the details yet, judging from the current situation, whether in Chaldea or in the hearts of Fujimaru Ritsuka and others, the girl named Leonardo is a very special person.

And the name Da Vinci...

In Haihara Ai's mind, the name of [Leonardo Da Vinci], a famous figure, naturally appeared.

Will there be any connection between the two?

And speaking of it, I don't know if it was her imagination, but she always felt that the other person's features looked familiar, as if she had seen her somewhere before...

"You guys are here!"

Suddenly a voice brought her back to reality from her thoughts. Little Leonardo da Vinci and Matthew were already waiting for them in the underground laboratory, including Professor James.

Soon, she noticed a pair of glasses and a small pistol neatly placed on the workbench next to little Leonardo da Vinci.

Before she could think about it carefully, Fujimaru Ritsuka took her to the workbench, happily showed her glasses and pistol and said:

"Qiang Qiang!"

"This is a surprise!"

In order to make up for Haibara Ai's disadvantage when facing enemies in the mysterious realm, last night Fujimaru Ritsuka specially asked Leonardo da Vinci to design these two pairs of mysterious equipment that even ordinary people can use for self-protection.

Thanks to little Leonardo da Vinci here, otherwise it would be a bit troublesome to achieve this.

"these are……?"

Haiyuan Ai was a little confused. At this time, little Da Vinci picked up the glasses and handed them to her, and said with a smile:

"Well, let's try it on first."

"Next, I will slowly explain their functions to you."

"……Ok, I see."

Haibara Ai looked at Fujimaru Ritsuka subconsciously, and when she saw the expectant look in his eyes, she took the glasses and put them on.

"How do the glasses feel against the skin? Are they the right weight? If there is anything inappropriate, you can tell me."

"No, there's no problem. It's very comfortable to wear."

Facing Little Da Vinci's question, Hui Yuan Ai answered honestly, but couldn't help but feel a little surprised in his heart.

Because as she said, this pair of glasses is very comfortable to wear without any discomfort. The whole design seems to be tailor-made for her.

But the prerequisite for customization is accurate data. How did the other party obtain the precise data of her head and face?

"Data is something you can understand at a glance."

As if aware of Hui Yuan Ai's doubts, little Da Vinci said with a rather proud smile:

"After all, I am the omnipotent person!"

The omnipotent man?

Hearing this title, for some reason, Haihara Ai once again thought of Leonardo da Vinci.

On the other side, little Da Vinci ordered with satisfaction:

"Since there is no problem with the wearing feeling, the next step is to start the real demonstration."

"Ma Xiu, push the experimental subject out."

"yes!"

Ma Xiu trotted outside the laboratory, and then quickly pushed an iron cage in. The moment he saw the iron cage, Haiyuan Ai's pupils shrank.

At the same time, little Leonardo da Vinci’s explanation came together——

"I named this pair of glasses [Mysterious Appearance Glasses]. As the name suggests, even ordinary people can see things in the mysterious realm through these glasses."

"Not only that, it can even convert the perceived magic fluctuations into specific vibrations, which means you can hear sounds!"

"So Miss Haihara, can you describe as carefully as possible what you saw inside the iron cage and the sounds you heard?"

"As carefully as possible..."

Hui Yuan Ai frowned slightly and tried to describe:

"Is that a dark, rolling mass, like a living smoke? As for the sound, it is a sharp but somewhat erratic roar... I don't know if my description is accurate..."

"It doesn't matter, it's already accurate."

"As expected of me!"

Little Da Vinci nodded with satisfaction, and couldn't help but add:

"Actually, if the [smell] function is added, the effect may be better. Unfortunately, time is a bit short, and this is all we can do for the time being."

Hearing this, Fujimaru Ritsuka scratched his head and said with a smile:

"Anyway, thank you for your hard work, dear Da Vinci, this is already great!"

Matthew also nodded in agreement.

At this time, Hui Yuan Ai was also a little shocked.

The [seeing] function of the glasses is the same as the glasses Fujimaru Ritsuka lent her yesterday, but the additional [listening] function directly makes the real feeling even higher.

And it sounds like... this seems to have just been designed by the other party, and can it be done better if given more time?

Although she doesn't know much about research and inventions in mysterious fields, it's obviously not something that can be done easily, right?

No wonder the other party dared to call himself [The Almighty Man].

Then, Hui Yuan Ai looked at the things in the iron cage and asked curiously:

"So what the heck is this."

"This is a type of wraith."

Matthew explained with a smile.

Because little Da Vinci said that he needed materials to test the function, she and Fujimaru Ritsuka searched overnight and finally caught this guy.

"That's all the functions of glasses are, but you have to pay special attention to them."

"professor."

"learn."

Hearing Little Da Vinci's call, Moriarty smiled slightly and disappeared from Hui Yuan Ai's shocked eyes.

Little Da Vinci explained with a smile:

"In the mysterious realm, you can hide your figure through specific means, and the mysterious display glasses are ineffective in this situation, so don't be careless just because you are wearing glasses, okay?"

"I see."

Hui Yuan Ai nodded cautiously, gaining a new understanding of the mystery.

Then, she seemed to have thought of something, and looked at the small pistol on the workbench, with a hint of expectation in her curious eyes.

No matter how you look at it, it must be a weapon, right?

Such a pair of ordinary glasses has such powerful functions, so how powerful will the weapons designed by the other party be?

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