"Big brother, may I bother you for a moment?"
Miyuki Shiba knocked on the door.
"Come in."
"Excuse me, big brother."
Miyuki Shiba pushed the door open and poked her head inside.
After Miyuki Shiba entered, a number of people began filing in behind her.
"Tatsuya, is that an armed integrated CAD?"
Erika Chiba saw a large case on the table. When it was opened, she saw a huge blunt sword inside.
"Yes."
"Big brother, is this the toy you mentioned before?"
Miyuki Shiba asked, looking at Tatsuya Shiba.
"Yes. Big brother also gave me quite a few suggestions for its construction," Tatsuya Shiba said with a smile.
Hearing that, Miyuki Shiba looked at Baifeng Uesugi, who sat quietly beside Shizuku Kitayama.
Tatsuya Shiba glanced at Leonhard Saijou, then got up, picked up the case, and tossed it straight to him.
"Leo."
"Tatsuya, that's dangerous."
Leo caught the case Tatsuya Shiba had thrown to him.
"Don't you want to try it?" Tatsuya Shiba asked with a smile.
"What? Me?" Leo asked, puzzled.
"That's right. I think it suits you."
Tatsuya Shiba said.
Leo looked at the case in his hands and opened it.
"All right, I'll be your test subject."
When Leo opened it and saw what the CAD looked like, he felt at first glance that Tatsuya Shiba was right: it really did suit him.
Tatsuya Shiba and Leo went outside.
"Let's begin," Tatsuya Shiba said.
"Okay."
When Leo pressed the button on the hilt, the blunt sword in his hand split in two, its upper half floating above the lower half.
"Haha, it really floats! That's interesting."
Seeing it, Leo immediately found it fascinating. It was his first time seeing a CAD like this.
He swung it a few times, and when the time was up, the CAD in his hand returned to its original form.
"Tatsuya, it worked perfectly."
Leo gave him a thumbs-up.
"So hardening magic can work even when objects are separated."
Looking at the CAD in his hand, Leo had seen it for himself, and he couldn't help marveling at how capable Tatsuya Shiba was.
He could even develop a CAD like this.
"Because Sakura magic is defined as fixing relative positions, the objects don't need to touch each other. The way this calculation device works is more like extending than firing.
"Because the middle is empty, the blade only moves in an extended straight line," Tatsuya Shiba explained.
"So I can just treat it like swinging a long sword. That way, I don't have to think too much about it," Leo said.
"Then let's move on to the actual test," Tatsuya Shiba said.
After Tatsuya Shiba spoke, quite a few targets appeared in the test area.
Seeing them, Leo activated the CAD in his hand and began testing it.
"Not bad. It works very well. Next, let's test the second form."
Seeing the test results, Tatsuya Shiba was very satisfied, and he also looked forward to seeing the CAD's second form.
"Second form?"
Tatsuya Shiba's words left Leo puzzled. Did the CAD in his hand have another form?
"Yes. The second form was my brother's suggestion."
In fact, when Tatsuya Shiba decided to make this little toy for Leo, he had gone to Baifeng Uesugi, who had given him a small suggestion.
"Your brother? Didn't you say he'd disappeared a few years ago? Has he shown up?"
Leo suddenly remembered hearing Tatsuya Shiba mention his brother before.
"No, big brother was just focusing on researching Innate Magic."
Tatsuya Shiba said.
"Innate Magic? What's that?"
Leo had heard another unfamiliar term today.
"Do you know K, one of the country's top magic research geniuses?" Tatsuya Shiba asked.
"I know him. He's the pride of our Sakura Country," Leo said with a smile.
"Yes, my brother is K. He spent the time he was gone focusing on researching Innate Magic. He succeeded a while ago, so he came back."
Tatsuya Shiba explained.
"Wow, I never thought your brother would be K, Tatsuya. Could you let me meet him sometime?"
Leo looked at Tatsuya Shiba expectantly, feeling a little excited.
A genius who represented Sakura Country, around the same age as him, and a nationwide genius in magic research-and such an important figure was his classmate's brother.
"Still, no wonder you're so capable, Tatsuya. With a brother that amazing, you couldn't be too far behind, right?"
"Leo, my brother and I aren't related by blood, you know?"
Tatsuya Shiba naturally knew what Leo meant. He shook his head and explained.
"What? Were you adopted?" Leo asked in astonishment.
"No. Aunt brought big brother home from outside when he was little. He lived with my family throughout his childhood, so we called each other brothers," Tatsuya Shiba said.
"I see."
Realization dawned on Leo.
At the same time, he hoped that the next time his parents went out, they would adopt a genius little brother or sister like that and bring them home for him.
"All right, let's start testing the second form."
Tatsuya Shiba could naturally tell what Leo was thinking and helplessly interrupted his fantasy.
"Oh, okay. But how do I activate the second form?"
Leo looked at the CAD in his hand and saw only the button from before, leaving him somewhat confused.
"Just press the same button twice."
Only then did Tatsuya Shiba remember that he had forgotten to tell him how to activate the second form.
"Okay, here I go."
Leo pressed the button on the hilt twice, and the blunt sword in his hand slowly began to separate along the patterns on its blade.
The pieces then gathered neatly around the hilt.
"Th-this is...?"
Leo stared at the CAD in his hand in shock.
A CAD like this left him deeply astonished.
"This is a preset spell. Once you activate it, it automatically creates a shield to help you block damage."
Tatsuya Shiba said.
"That's amazing."
"The material used to forge this CAD is very special, so it can withstand most magic. When it can't withstand an attack, the hilt will glow red. Just keep an eye on it when you use it."
Tatsuya Shiba said.
"Oh, I see."
By now, Leo was so stunned that he stood there dumbstruck, able only to respond to Tatsuya Shiba's words on instinct.
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